764 lines
27 KiB
Java
764 lines
27 KiB
Java
/*
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* DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
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* Copyright (C) 2010 Mickael Guessant
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package davmail.exchange.ews;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.httpclient.Header;
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import org.apache.commons.httpclient.HttpConnection;
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import org.apache.commons.httpclient.HttpState;
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import org.apache.commons.httpclient.methods.PostMethod;
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import org.apache.commons.httpclient.methods.RequestEntity;
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import org.apache.log4j.Logger;
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import javax.xml.stream.XMLInputFactory;
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import javax.xml.stream.XMLStreamConstants;
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import javax.xml.stream.XMLStreamException;
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import javax.xml.stream.XMLStreamReader;
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import java.io.*;
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import java.util.*;
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/**
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* EWS SOAP method.
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*/
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public abstract class EWSMethod extends PostMethod {
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protected static final Logger logger = Logger.getLogger(EWSMethod.class);
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protected FolderQueryTraversal traversal;
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protected BaseShape baseShape;
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protected boolean includeMimeContent;
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protected FolderId folderId;
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protected FolderId savedItemFolderId;
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protected FolderId toFolderId;
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protected FolderId parentFolderId;
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protected ItemId itemId;
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protected ItemId parentItemId;
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protected Set<FieldURI> additionalProperties;
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protected Disposal deleteType;
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protected Set<AttributeOption> methodOptions;
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protected Set<FieldUpdate> updates;
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protected FileAttachment attachment;
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protected String attachmentId;
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protected final String itemType;
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protected final String methodName;
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protected final String responseCollectionName;
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protected List<Item> responseItems;
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protected String errorDetail;
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protected Item item;
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protected SearchExpression searchExpression;
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/**
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* Build EWS method
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*
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* @param itemType item type
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* @param methodName method name
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*/
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public EWSMethod(String itemType, String methodName) {
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super("/ews/exchange.asmx");
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this.itemType = itemType;
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this.methodName = methodName;
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responseCollectionName = itemType + 's';
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setRequestEntity(new RequestEntity() {
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byte[] content;
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public boolean isRepeatable() {
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return true;
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}
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public void writeRequest(OutputStream outputStream) throws IOException {
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if (content == null) {
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content = generateSoapEnvelope();
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}
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outputStream.write(content);
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}
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public long getContentLength() {
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if (content == null) {
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content = generateSoapEnvelope();
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}
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return content.length;
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}
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public String getContentType() {
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return "text/xml;charset=UTF-8";
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}
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});
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}
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@Override
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public String getName() {
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return "POST";
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}
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protected void addAdditionalProperty(FieldURI additionalProperty) {
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if (additionalProperties == null) {
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additionalProperties = new HashSet<FieldURI>();
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}
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additionalProperties.add(additionalProperty);
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}
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protected void addMethodOption(AttributeOption attributeOption) {
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if (methodOptions == null) {
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methodOptions = new HashSet<AttributeOption>();
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}
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methodOptions.add(attributeOption);
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}
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protected void setSearchExpression(SearchExpression searchExpression) {
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this.searchExpression = searchExpression;
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}
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protected void writeShape(Writer writer) throws IOException {
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if (baseShape != null) {
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writer.write("<m:");
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writer.write(itemType);
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writer.write("Shape>");
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baseShape.write(writer);
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if (additionalProperties != null) {
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writer.write("<t:AdditionalProperties>");
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StringBuilder buffer = new StringBuilder();
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for (FieldURI fieldURI : additionalProperties) {
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fieldURI.appendTo(buffer);
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}
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writer.write(buffer.toString());
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writer.write("</t:AdditionalProperties>");
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}
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if (includeMimeContent) {
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writer.write("<t:IncludeMimeContent>true</t:IncludeMimeContent>");
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}
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writer.write("</m:");
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writer.write(itemType);
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writer.write("Shape>");
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}
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}
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protected void writeItemId(Writer writer) throws IOException {
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if (itemId != null) {
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if (updates == null) {
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writer.write("<m:ItemIds>");
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}
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itemId.write(writer);
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if (updates == null) {
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writer.write("</m:ItemIds>");
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}
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}
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}
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protected void writeParentItemId(Writer writer) throws IOException {
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if (parentItemId != null) {
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writer.write("<m:ParentItemId Id=\"");
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writer.write(parentItemId.id);
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if (parentItemId.changeKey != null) {
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writer.write("\" ChangeKey=\"");
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writer.write(parentItemId.changeKey);
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}
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writer.write("\"/>");
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}
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}
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protected void writeFolderId(Writer writer) throws IOException {
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if (folderId != null) {
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if (updates == null) {
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writer.write("<m:FolderIds>");
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}
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folderId.write(writer);
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if (updates == null) {
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writer.write("</m:FolderIds>");
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}
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}
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}
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protected void writeSavedItemFolderId(Writer writer) throws IOException {
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if (savedItemFolderId != null) {
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writer.write("<m:SavedItemFolderId>");
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savedItemFolderId.write(writer);
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writer.write("</m:SavedItemFolderId>");
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}
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}
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protected void writeToFolderId(Writer writer) throws IOException {
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if (toFolderId != null) {
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writer.write("<m:ToFolderId>");
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toFolderId.write(writer);
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writer.write("</m:ToFolderId>");
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}
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}
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protected void writeParentFolderId(Writer writer) throws IOException {
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if (parentFolderId != null) {
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writer.write("<m:ParentFolderId");
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if (item == null) {
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writer.write("s");
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}
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writer.write(">");
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parentFolderId.write(writer);
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writer.write("</m:ParentFolderId");
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if (item == null) {
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writer.write("s");
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}
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writer.write(">");
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}
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}
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protected void writeItem(Writer writer) throws IOException {
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if (item != null) {
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writer.write("<m:");
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writer.write(itemType);
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writer.write("s>");
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item.write(writer);
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writer.write("</m:");
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writer.write(itemType);
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writer.write("s>");
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}
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}
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protected void writeRestriction(Writer writer) throws IOException {
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if (searchExpression != null) {
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writer.write("<m:Restriction>");
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StringBuilder buffer = new StringBuilder();
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searchExpression.appendTo(buffer);
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writer.write(buffer.toString());
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writer.write("</m:Restriction>");
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}
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}
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protected void startChanges(Writer writer) throws IOException {
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//noinspection VariableNotUsedInsideIf
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if (updates != null) {
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writer.write("<m:");
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writer.write(itemType);
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writer.write("Changes>");
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writer.write("<t:");
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writer.write(itemType);
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writer.write("Change>");
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}
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}
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protected void writeUpdates(Writer writer) throws IOException {
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if (updates != null) {
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writer.write("<t:Updates>");
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// write extended properties first
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for (FieldUpdate fieldUpdate : updates) {
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if (fieldUpdate.fieldURI instanceof ExtendedFieldURI) {
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fieldUpdate.write(itemType, writer);
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}
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}
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for (FieldUpdate fieldUpdate : updates) {
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if (!(fieldUpdate.fieldURI instanceof ExtendedFieldURI)) {
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fieldUpdate.write(itemType, writer);
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}
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}
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writer.write("</t:Updates>");
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}
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}
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protected void endChanges(Writer writer) throws IOException {
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//noinspection VariableNotUsedInsideIf
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if (updates != null) {
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writer.write("</t:");
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writer.write(itemType);
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writer.write("Change>");
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writer.write("</m:");
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writer.write(itemType);
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writer.write("Changes>");
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}
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}
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protected byte[] generateSoapEnvelope() {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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try {
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OutputStreamWriter writer = new OutputStreamWriter(baos, "UTF-8");
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writer.write("<soap:Envelope xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\" " +
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"xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\" " +
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"xmlns:m=\"http://schemas.microsoft.com/exchange/services/2006/messages\">" +
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"<soap:Header>" +
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"<t:RequestServerVersion Version=\"Exchange2007_SP1\"/>" +
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"</soap:Header>" +
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"<soap:Body>");
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writer.write("<m:");
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writer.write(methodName);
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if (traversal != null) {
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traversal.write(writer);
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}
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if (deleteType != null) {
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deleteType.write(writer);
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}
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if (methodOptions != null) {
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for (AttributeOption attributeOption : methodOptions) {
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attributeOption.write(writer);
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}
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}
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writer.write(">");
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writeSoapBody(writer);
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writer.write("</m:");
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writer.write(methodName);
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writer.write(">");
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writer.write("</soap:Body>" +
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"</soap:Envelope>");
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writer.flush();
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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return baos.toByteArray();
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}
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protected void writeSoapBody(Writer writer) throws IOException {
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startChanges(writer);
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writeShape(writer);
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writeRestriction(writer);
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writeParentFolderId(writer);
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writeToFolderId(writer);
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writeItemId(writer);
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writeParentItemId(writer);
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writeAttachments(writer);
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writeAttachmentId(writer);
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writeFolderId(writer);
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writeSavedItemFolderId(writer);
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writeItem(writer);
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writeUpdates(writer);
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endChanges(writer);
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}
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private void writeAttachmentId(Writer writer) throws IOException {
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if (attachmentId != null) {
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if ("CreateAttachment".equals(methodName)) {
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writer.write("<m:AttachmentShape>");
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writer.write("<t:IncludeMimeContent>true</t:IncludeMimeContent>");
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writer.write("</m:AttachmentShape>");
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}
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writer.write("<m:AttachmentIds>");
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writer.write("<t:AttachmentId Id=\"");
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writer.write(attachmentId);
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writer.write("\"/>");
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writer.write("</m:AttachmentIds>");
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}
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}
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protected void writeAttachments(Writer writer) throws IOException {
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if (attachment != null) {
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writer.write("<m:Attachments>");
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attachment.write(writer);
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writer.write("</m:Attachments>");
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}
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}
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/**
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* Build a new XMLInputFactory.
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*
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* @return XML input factory
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*/
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public static XMLInputFactory getXmlInputFactory() {
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XMLInputFactory inputFactory = XMLInputFactory.newInstance();
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inputFactory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
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inputFactory.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
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return inputFactory;
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}
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/**
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* Item
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*/
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public static class Item extends HashMap<String, String> {
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/**
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* Item type.
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*/
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public String type;
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protected byte[] mimeContent;
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protected Set<FieldUpdate> fieldUpdates;
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protected List<FileAttachment> attachments;
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@Override
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public String toString() {
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return "type: " + type + ' ' + super.toString();
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}
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/**
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* Write XML content to writer.
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*
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* @param writer writer
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* @throws IOException on error
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*/
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public void write(Writer writer) throws IOException {
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writer.write("<t:");
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writer.write(type);
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writer.write(">");
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for (Map.Entry<String, String> mapEntry : this.entrySet()) {
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writer.write("<t:");
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writer.write(mapEntry.getKey());
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writer.write(">");
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writer.write(mapEntry.getValue());
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writer.write("</t:");
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writer.write(mapEntry.getKey());
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writer.write(">");
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}
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if (mimeContent != null) {
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writer.write("<t:MimeContent>");
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writer.write(new String(mimeContent));
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writer.write("</t:MimeContent>");
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}
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if (fieldUpdates != null) {
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for (FieldUpdate fieldUpdate : fieldUpdates) {
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fieldUpdate.write(null, writer);
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}
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}
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writer.write("</t:");
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writer.write(type);
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writer.write(">");
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}
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/**
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* Field updates.
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*
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* @param fieldUpdates field updates
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*/
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public void setFieldUpdates(Set<FieldUpdate> fieldUpdates) {
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this.fieldUpdates = fieldUpdates;
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}
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/**
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* Get property value as int
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*
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* @param key property response name
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* @return property value
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*/
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public int getInt(String key) {
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int result = 0;
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String value = get(key);
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if (value != null && value.length() > 0) {
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result = Integer.parseInt(value);
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}
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return result;
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}
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/**
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* Get property value as long
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*
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* @param key property response name
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* @return property value
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*/
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public long getLong(String key) {
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long result = 0;
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String value = get(key);
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if (value != null && value.length() > 0) {
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result = Long.parseLong(value);
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}
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return result;
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}
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/**
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* Get property value as boolean
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*
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* @param key property response name
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* @return property value
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*/
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public boolean getBoolean(String key) {
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boolean result = false;
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String value = get(key);
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if (value != null && value.length() > 0) {
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result = Boolean.parseBoolean(value);
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}
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return result;
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}
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public FileAttachment getAttachmentByName(String attachmentName) {
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FileAttachment result = null;
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if (attachments != null) {
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for (FileAttachment attachment : attachments) {
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if (attachmentName.equals(attachment.name)) {
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result = attachment;
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break;
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}
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}
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}
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return result;
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}
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}
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/**
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* Check method success.
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*
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* @throws EWSException on error
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*/
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public void checkSuccess() throws EWSException {
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if (errorDetail != null) {
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throw new EWSException(errorDetail + "\n request: " + new String(generateSoapEnvelope()));
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}
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}
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/**
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* Get response items.
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*
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* @return response items
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* @throws EWSException on error
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*/
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public List<Item> getResponseItems() throws EWSException {
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checkSuccess();
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return responseItems;
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}
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/**
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* Get single response item.
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*
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* @return response item
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* @throws EWSException on error
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*/
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public Item getResponseItem() throws EWSException {
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checkSuccess();
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if (responseItems != null && responseItems.size() == 1) {
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return responseItems.get(0);
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} else {
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return null;
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}
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}
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|
|
/**
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* Get response mime content.
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*
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* @return mime content
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* @throws EWSException on error
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*/
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public byte[] getMimeContent() throws EWSException {
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checkSuccess();
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Item responseItem = getResponseItem();
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if (responseItem != null) {
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return responseItem.mimeContent;
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} else {
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return null;
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}
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}
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protected String handleTag(XMLStreamReader reader, String localName) throws XMLStreamException {
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String result = null;
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int event = reader.getEventType();
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if (event == XMLStreamConstants.START_ELEMENT && localName.equals(reader.getLocalName())) {
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while (reader.hasNext() &&
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!((event == XMLStreamConstants.END_ELEMENT && localName.equals(reader.getLocalName())))) {
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event = reader.next();
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if (event == XMLStreamConstants.CHARACTERS) {
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result = reader.getText();
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}
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}
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}
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return result;
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}
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|
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protected void handleErrors(XMLStreamReader reader) throws XMLStreamException {
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String result = handleTag(reader, "ResponseCode");
|
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if (errorDetail == null && result != null && !"NoError".equals(result)) {
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errorDetail = result;
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}
|
|
if (isStartTag(reader, "faultstring")) {
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errorDetail = reader.getElementText();
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}
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}
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|
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protected boolean isStartTag(XMLStreamReader reader) {
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return (reader.getEventType() == XMLStreamConstants.START_ELEMENT);
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}
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protected boolean isStartTag(XMLStreamReader reader, String tagLocalName) {
|
|
return (reader.getEventType() == XMLStreamConstants.START_ELEMENT) && (reader.getLocalName().equals(tagLocalName));
|
|
}
|
|
|
|
protected boolean isEndTag(XMLStreamReader reader, String tagLocalName) {
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|
return (reader.getEventType() == XMLStreamConstants.END_ELEMENT) && (reader.getLocalName().equals(tagLocalName));
|
|
}
|
|
|
|
protected Item handleItem(XMLStreamReader reader) throws XMLStreamException {
|
|
Item responseItem = new Item();
|
|
responseItem.type = reader.getLocalName();
|
|
while (reader.hasNext() && !isEndTag(reader, responseItem.type)) {
|
|
int event = reader.next();
|
|
if (event == XMLStreamConstants.START_ELEMENT) {
|
|
String tagLocalName = reader.getLocalName();
|
|
String value = null;
|
|
if ("ExtendedProperty".equals(tagLocalName)) {
|
|
addExtendedPropertyValue(reader, responseItem);
|
|
} else if (tagLocalName.endsWith("MimeContent")) {
|
|
handleMimeContent(reader, responseItem);
|
|
} else if (tagLocalName.equals("Attachments")) {
|
|
responseItem.attachments = handleAttachments(reader, responseItem);
|
|
} else {
|
|
if (tagLocalName.endsWith("Id")) {
|
|
value = getAttributeValue(reader, "Id");
|
|
// get change key
|
|
responseItem.put("ChangeKey", getAttributeValue(reader, "ChangeKey"));
|
|
}
|
|
if (value == null) {
|
|
value = getTagContent(reader);
|
|
}
|
|
if (value != null) {
|
|
responseItem.put(tagLocalName, value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return responseItem;
|
|
}
|
|
|
|
protected List<FileAttachment> handleAttachments(XMLStreamReader reader, Item responseItem) throws XMLStreamException {
|
|
List<FileAttachment> attachments = new ArrayList<FileAttachment>();
|
|
while (reader.hasNext() && !(isEndTag(reader, "Attachments"))) {
|
|
int event = reader.next();
|
|
if (event == XMLStreamConstants.START_ELEMENT) {
|
|
String tagLocalName = reader.getLocalName();
|
|
if (tagLocalName.equals("FileAttachment")) {
|
|
attachments.add(handleFileAttachment(reader, responseItem));
|
|
}
|
|
}
|
|
}
|
|
return attachments;
|
|
}
|
|
|
|
protected FileAttachment handleFileAttachment(XMLStreamReader reader, Item responseItem) throws XMLStreamException {
|
|
FileAttachment fileAttachment = new FileAttachment();
|
|
while (reader.hasNext() && !(isEndTag(reader, "FileAttachment"))) {
|
|
int event = reader.next();
|
|
if (event == XMLStreamConstants.START_ELEMENT) {
|
|
String tagLocalName = reader.getLocalName();
|
|
if (tagLocalName.equals("AttachmentId")) {
|
|
fileAttachment.attachmentId = getAttributeValue(reader, "Id");
|
|
} else if (tagLocalName.equals("Name")) {
|
|
fileAttachment.name = getTagContent(reader);
|
|
} else if (tagLocalName.equals("ContentType")) {
|
|
fileAttachment.contentType = getTagContent(reader);
|
|
}
|
|
}
|
|
}
|
|
return fileAttachment;
|
|
}
|
|
|
|
|
|
protected void handleMimeContent(XMLStreamReader reader, Item responseItem) throws XMLStreamException {
|
|
byte[] base64MimeContent = reader.getElementText().getBytes();
|
|
responseItem.mimeContent = Base64.decodeBase64(base64MimeContent);
|
|
}
|
|
|
|
protected void addExtendedPropertyValue(XMLStreamReader reader, Item item) throws XMLStreamException {
|
|
String propertyTag = null;
|
|
String propertyValue = null;
|
|
while (reader.hasNext() && !(isEndTag(reader, "ExtendedProperty"))) {
|
|
reader.next();
|
|
if (reader.getEventType() == XMLStreamConstants.START_ELEMENT) {
|
|
String tagLocalName = reader.getLocalName();
|
|
if ("ExtendedFieldURI".equals(tagLocalName)) {
|
|
propertyTag = getAttributeValue(reader, "PropertyTag");
|
|
// property name is in PropertyId or PropertyName with DistinguishedPropertySetId
|
|
if (propertyTag == null) {
|
|
propertyTag = getAttributeValue(reader, "PropertyId");
|
|
}
|
|
if (propertyTag == null) {
|
|
propertyTag = getAttributeValue(reader, "PropertyName");
|
|
}
|
|
} else if ("Value".equals(tagLocalName)) {
|
|
propertyValue = reader.getElementText();
|
|
} else if ("Values".equals(tagLocalName)) {
|
|
StringBuilder buffer = new StringBuilder();
|
|
while (reader.hasNext() && !(isEndTag(reader, "Values"))) {
|
|
reader.next();
|
|
if (reader.getEventType() == XMLStreamConstants.START_ELEMENT) {
|
|
|
|
if (buffer.length() > 0) {
|
|
buffer.append(',');
|
|
}
|
|
buffer.append(reader.getElementText());
|
|
}
|
|
}
|
|
propertyValue = buffer.toString();
|
|
}
|
|
}
|
|
}
|
|
if ((propertyTag != null) && (propertyValue != null)) {
|
|
item.put(propertyTag, propertyValue);
|
|
}
|
|
}
|
|
|
|
private String getTagContent(XMLStreamReader reader) throws XMLStreamException {
|
|
String tagLocalName = reader.getLocalName();
|
|
while (reader.hasNext() && !(reader.getEventType() == XMLStreamConstants.END_ELEMENT)) {
|
|
reader.next();
|
|
if (reader.getEventType() == XMLStreamConstants.CHARACTERS) {
|
|
return reader.getText();
|
|
}
|
|
}
|
|
// empty tag
|
|
if (reader.hasNext()) {
|
|
return null;
|
|
} else {
|
|
throw new XMLStreamException("End element for " + tagLocalName + " not found");
|
|
}
|
|
}
|
|
|
|
protected String getAttributeValue(XMLStreamReader reader, String attributeName) throws XMLStreamException {
|
|
for (int i = 0; i < reader.getAttributeCount(); i++) {
|
|
if (attributeName.equals(reader.getAttributeLocalName(i))) {
|
|
return reader.getAttributeValue(i);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
protected void processResponseBody(HttpState httpState, HttpConnection httpConnection) {
|
|
Header contentTypeHeader = getResponseHeader("Content-Type");
|
|
if (contentTypeHeader != null && "text/xml; charset=utf-8".equals(contentTypeHeader.getValue())) {
|
|
responseItems = new ArrayList<Item>();
|
|
XMLStreamReader reader;
|
|
try {
|
|
XMLInputFactory xmlInputFactory = getXmlInputFactory();
|
|
reader = xmlInputFactory.createXMLStreamReader(getResponseBodyAsStream());
|
|
while (reader.hasNext()) {
|
|
reader.next();
|
|
handleErrors(reader);
|
|
if (isStartTag(reader, responseCollectionName)) {
|
|
handleItems(reader);
|
|
}
|
|
}
|
|
|
|
} catch (IOException e) {
|
|
logger.error("Error while parsing soap response: " + e, e);
|
|
} catch (XMLStreamException e) {
|
|
logger.error("Error while parsing soap response: " + e, e);
|
|
}
|
|
if (errorDetail != null) {
|
|
logger.error(errorDetail);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void handleItems(XMLStreamReader reader) throws XMLStreamException {
|
|
while (reader.hasNext() && !isEndTag(reader, responseCollectionName)) {
|
|
reader.next();
|
|
if (isStartTag(reader)) {
|
|
responseItems.add(handleItem(reader));
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|