mirror of
https://github.com/moparisthebest/k-9
synced 2024-12-02 14:02:17 -05:00
324 lines
10 KiB
Java
324 lines
10 KiB
Java
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package com.fsck.k9.mail;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Pattern;
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import org.apache.james.mime4j.MimeException;
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import org.apache.james.mime4j.codec.EncoderUtil;
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import org.apache.james.mime4j.dom.address.Mailbox;
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import org.apache.james.mime4j.dom.address.MailboxList;
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import org.apache.james.mime4j.field.address.AddressBuilder;
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import android.text.TextUtils;
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import android.text.util.Rfc822Token;
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import android.text.util.Rfc822Tokenizer;
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import android.util.Log;
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import static com.fsck.k9.mail.K9MailLib.LOG_TAG;
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public class Address {
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private static final Pattern ATOM = Pattern.compile("^(?:[a-zA-Z0-9!#$%&'*+\\-/=?^_`{|}~]|\\s)+$");
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/**
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* Immutable empty {@link Address} array
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*/
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private static final Address[] EMPTY_ADDRESS_ARRAY = new Address[0];
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private String mAddress;
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private String mPersonal;
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public Address(Address address) {
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mAddress = address.mAddress;
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mPersonal = address.mPersonal;
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}
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public Address(String address, String personal) {
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this(address, personal, true);
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}
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public Address(String address) {
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this(address, null, true);
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}
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private Address(String address, String personal, boolean parse) {
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if (parse) {
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Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(address);
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if (tokens.length > 0) {
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Rfc822Token token = tokens[0];
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mAddress = token.getAddress();
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String name = token.getName();
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if (!TextUtils.isEmpty(name)) {
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/*
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* Don't use the "personal" argument if "address" is of the form:
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* James Bond <james.bond@mi6.uk>
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*
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* See issue 2920
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*/
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mPersonal = name;
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} else {
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mPersonal = (personal == null) ? null : personal.trim();
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}
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} else {
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// This should be an error
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}
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} else {
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mAddress = address;
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mPersonal = personal;
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}
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}
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public String getAddress() {
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return mAddress;
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}
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public String getHostname() {
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int hostIdx = mAddress.lastIndexOf("@");
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if (hostIdx == -1) {
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return null;
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}
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return mAddress.substring(hostIdx+1);
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}
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public void setAddress(String address) {
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this.mAddress = address;
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}
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public String getPersonal() {
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return mPersonal;
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}
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public void setPersonal(String personal) {
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if ("".equals(personal)) {
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personal = null;
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}
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if (personal != null) {
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personal = personal.trim();
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}
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this.mPersonal = personal;
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}
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/**
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* Parse a comma separated list of email addresses in human readable format and return an
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* array of Address objects, RFC-822 encoded.
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*
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* @param addressList
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* @return An array of 0 or more Addresses.
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*/
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public static Address[] parseUnencoded(String addressList) {
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List<Address> addresses = new ArrayList<Address>();
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if (!TextUtils.isEmpty(addressList)) {
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Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(addressList);
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for (Rfc822Token token : tokens) {
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String address = token.getAddress();
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if (!TextUtils.isEmpty(address)) {
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addresses.add(new Address(token.getAddress(), token.getName(), false));
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}
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}
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}
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return addresses.toArray(EMPTY_ADDRESS_ARRAY);
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}
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/**
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* Parse a comma separated list of addresses in RFC-822 format and return an
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* array of Address objects.
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*
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* @param addressList
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* @return An array of 0 or more Addresses.
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*/
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public static Address[] parse(String addressList) {
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if (TextUtils.isEmpty(addressList)) {
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return EMPTY_ADDRESS_ARRAY;
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}
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List<Address> addresses = new ArrayList<Address>();
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try {
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MailboxList parsedList = AddressBuilder.DEFAULT.parseAddressList(addressList).flatten();
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for (int i = 0, count = parsedList.size(); i < count; i++) {
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org.apache.james.mime4j.dom.address.Address address = parsedList.get(i);
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if (address instanceof Mailbox) {
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Mailbox mailbox = (Mailbox)address;
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addresses.add(new Address(mailbox.getLocalPart() + "@" + mailbox.getDomain(), mailbox.getName(), false));
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} else {
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Log.e(LOG_TAG, "Unknown address type from Mime4J: "
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+ address.getClass().toString());
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}
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}
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} catch (MimeException pe) {
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Log.e(LOG_TAG, "MimeException in Address.parse()", pe);
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//but we do an silent failover : we just use the given string as name with empty address
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addresses.add(new Address(null, addressList, false));
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}
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return addresses.toArray(EMPTY_ADDRESS_ARRAY);
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof Address) {
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Address other = (Address) o;
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if (mPersonal != null && other.mPersonal != null && !mPersonal.equals(other.mPersonal)) {
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return false;
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}
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return mAddress.equals(other.mAddress);
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}
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return super.equals(o);
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}
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@Override
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public int hashCode() {
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int hash = mAddress.hashCode();
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if (mPersonal != null) {
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hash += 3 * mPersonal.hashCode();
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}
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return hash;
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}
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@Override
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public String toString() {
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if (!TextUtils.isEmpty(mPersonal)) {
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return quoteAtoms(mPersonal) + " <" + mAddress + ">";
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} else {
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return mAddress;
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}
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}
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public static String toString(Address[] addresses) {
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if (addresses == null) {
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return null;
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}
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return TextUtils.join(", ", addresses);
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}
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public String toEncodedString() {
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if (!TextUtils.isEmpty(mPersonal)) {
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return EncoderUtil.encodeAddressDisplayName(mPersonal) + " <" + mAddress + ">";
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} else {
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return mAddress;
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}
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}
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public static String toEncodedString(Address[] addresses) {
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if (addresses == null) {
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return null;
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}
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < addresses.length; i++) {
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sb.append(addresses[i].toEncodedString());
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if (i < addresses.length - 1) {
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sb.append(',');
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}
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}
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return sb.toString();
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}
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/**
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* Unpacks an address list previously packed with packAddressList()
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* @param addressList Packed address list.
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* @return Unpacked list.
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*/
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public static Address[] unpack(String addressList) {
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if (addressList == null) {
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return new Address[] { };
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}
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List<Address> addresses = new ArrayList<Address>();
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int length = addressList.length();
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int pairStartIndex = 0;
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int pairEndIndex = 0;
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int addressEndIndex = 0;
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while (pairStartIndex < length) {
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pairEndIndex = addressList.indexOf(",\u0000", pairStartIndex);
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if (pairEndIndex == -1) {
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pairEndIndex = length;
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}
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addressEndIndex = addressList.indexOf(";\u0000", pairStartIndex);
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String address = null;
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String personal = null;
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if (addressEndIndex == -1 || addressEndIndex > pairEndIndex) {
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address = addressList.substring(pairStartIndex, pairEndIndex);
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} else {
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address = addressList.substring(pairStartIndex, addressEndIndex);
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personal = addressList.substring(addressEndIndex + 2, pairEndIndex);
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}
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addresses.add(new Address(address, personal, false));
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pairStartIndex = pairEndIndex + 2;
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}
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return addresses.toArray(new Address[addresses.size()]);
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}
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/**
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* Packs an address list into a String that is very quick to read
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* and parse. Packed lists can be unpacked with unpackAddressList()
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* The packed list is a ",\u0000" separated list of:
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* address;\u0000personal
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* @param addresses Array of addresses to pack.
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* @return Packed addresses.
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*/
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public static String pack(Address[] addresses) {
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if (addresses == null) {
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return null;
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}
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StringBuilder sb = new StringBuilder();
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for (int i = 0, count = addresses.length; i < count; i++) {
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Address address = addresses[i];
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sb.append(address.getAddress());
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String personal = address.getPersonal();
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if (personal != null) {
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sb.append(";\u0000");
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// Escape quotes in the address part on the way in
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personal = personal.replaceAll("\"", "\\\"");
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sb.append(personal);
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}
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if (i < count - 1) {
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sb.append(",\u0000");
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}
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}
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return sb.toString();
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}
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/**
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* Quote a string, if necessary, based upon the definition of an "atom," as defined by RFC2822
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* (http://tools.ietf.org/html/rfc2822#section-3.2.4). Strings that consist purely of atoms are
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* left unquoted; anything else is returned as a quoted string.
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* @param text String to quote.
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* @return Possibly quoted string.
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*/
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public static String quoteAtoms(final String text) {
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if (ATOM.matcher(text).matches()) {
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return text;
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} else {
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return quoteString(text);
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}
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}
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/**
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* Ensures that the given string starts and ends with the double quote character. The string is not modified in any way except to add the
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* double quote character to start and end if it's not already there.
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* sample -> "sample"
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* "sample" -> "sample"
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* ""sample"" -> "sample"
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* "sample"" -> "sample"
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* sa"mp"le -> "sa"mp"le"
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* "sa"mp"le" -> "sa"mp"le"
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* (empty string) -> ""
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* " -> ""
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* @param s
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* @return
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*/
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private static String quoteString(String s) {
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if (s == null) {
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return null;
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}
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if (!s.matches("^\".*\"$")) {
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return "\"" + s + "\"";
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} else {
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return s;
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}
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}
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}
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