125 lines
3.7 KiB
Java
125 lines
3.7 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi;
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import java.io.IOException;
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import org.apache.xmlbeans.XmlException;
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import org.openxml4j.exceptions.OpenXML4JException;
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import org.openxml4j.opc.Package;
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import org.openxml4j.opc.PackageRelationshipCollection;
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import org.openxml4j.opc.internal.PackagePropertiesPart;
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import org.openxmlformats.schemas.officeDocument.x2006.extendedProperties.CTProperties;
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import org.openxmlformats.schemas.officeDocument.x2006.extendedProperties.PropertiesDocument;
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/**
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* Wrapper around the two different kinds of OOXML properties
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* a document can have
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*/
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public class POIXMLProperties {
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private Package pkg;
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private CoreProperties core;
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private ExtendedProperties ext;
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public POIXMLProperties(Package docPackage) throws IOException, OpenXML4JException, XmlException {
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this.pkg = docPackage;
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// Core properties
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PackageRelationshipCollection coreRel =
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pkg.getRelationshipsByType(POIXMLDocument.CORE_PROPERTIES_REL_TYPE);
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if(coreRel.size() == 1) {
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core = new CoreProperties( (PackagePropertiesPart)
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pkg.getPart(coreRel.getRelationship(0)) );
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} else {
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throw new IllegalArgumentException("A document must always have core properties defined!");
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}
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// Extended properties
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PackageRelationshipCollection extRel =
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pkg.getRelationshipsByType(POIXMLDocument.EXTENDED_PROPERTIES_REL_TYPE);
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if(extRel.size() == 1) {
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PropertiesDocument props = PropertiesDocument.Factory.parse(
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pkg.getPart( extRel.getRelationship(0) ).getInputStream()
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);
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ext = new ExtendedProperties(props);
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} else {
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ext = new ExtendedProperties(PropertiesDocument.Factory.newInstance());
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}
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}
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/**
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* Returns the core document properties
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*/
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public CoreProperties getCoreProperties() {
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return core;
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}
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/**
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* Returns the extended document properties
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*/
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public ExtendedProperties getExtendedProperties() {
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return ext;
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}
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/**
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* Writes out the ooxml properties into the supplied,
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* new Package
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*/
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public void write(Package pkg) {
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// TODO
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}
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/**
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* The core document properties
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*/
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public class CoreProperties {
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private PackagePropertiesPart part;
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private CoreProperties(PackagePropertiesPart part) {
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this.part = part;
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}
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public void setTitle(String title) {
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part.setTitleProperty(title);
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}
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public String getTitle() {
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return part.getTitleProperty().getValue();
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}
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public PackagePropertiesPart getUnderlyingProperties() {
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return part;
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}
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}
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/**
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* Extended document properties
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*/
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public class ExtendedProperties {
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private PropertiesDocument props;
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private ExtendedProperties(PropertiesDocument props) {
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this.props = props;
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if(props.getProperties() == null) {
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props.addNewProperties();
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}
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}
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public CTProperties getUnderlyingProperties() {
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return props.getProperties();
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}
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}
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}
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