mirror of https://github.com/moparisthebest/k-9
350 lines
12 KiB
Java
350 lines
12 KiB
Java
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package com.fsck.k9.mail;
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import android.text.Spannable;
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import android.text.SpannableString;
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import android.text.SpannableStringBuilder;
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import android.text.style.ForegroundColorSpan;
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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 com.fsck.k9.K9;
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import com.fsck.k9.helper.Contacts;
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import com.fsck.k9.helper.Utility;
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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.parser.AddressBuilder;
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import org.apache.james.mime4j.MimeException;
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import java.util.ArrayList;
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import java.util.List;
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public class Address {
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/**
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* If the number of addresses exceeds this value the addresses aren't
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* resolved to the names of Android contacts.
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*
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* <p>
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* TODO: This number was chosen arbitrarily and should be determined by
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* performance tests.
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* </p>
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*
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* @see Address#toFriendly(Address[], Contacts)
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*/
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private static final int TOO_MANY_ADDRESSES = 50;
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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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String mAddress;
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String mPersonal;
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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);
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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 ((name != null) && !("".equals(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 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 ((addressList != null) && !("".equals(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 ((address != null) && !("".equals(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 (addressList == null || addressList.length() == 0) {
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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.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(K9.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(K9.LOG_TAG, "MimeException in Address.parse()", pe);
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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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return getAddress().equals(((Address) o).getAddress());
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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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return getAddress().hashCode();
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}
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@Override
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public String toString() {
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if (mPersonal != null && !mPersonal.equals("")) {
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return Utility.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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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < addresses.length; i++) {
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sb.append(addresses[i].toString());
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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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public String toEncodedString() {
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if (mPersonal != null && !mPersonal.equals("")) {
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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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* Returns either the personal portion of the Address or the address portion if the personal
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* is not available.
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* @return
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*/
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public CharSequence toFriendly() {
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return toFriendly((Contacts)null);
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}
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/**
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* Returns the name of the contact this email address belongs to if
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* the {@link Contacts contacts} parameter is not {@code null} and a
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* contact is found. Otherwise the personal portion of the {@link Address}
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* is returned. If that isn't available either, the email address is
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* returned.
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*
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* @param contacts
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* A {@link Contacts} instance or {@code null}.
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* @return
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* A "friendly" name for this {@link Address}.
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*/
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public CharSequence toFriendly(final Contacts contacts) {
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if (!K9.showCorrespondentNames()) {
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return mAddress;
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} else if (contacts != null) {
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final String name = contacts.getNameForAddress(mAddress);
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// TODO: The results should probably be cached for performance reasons.
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if (name != null) {
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if (K9.changeContactNameColor()) {
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final SpannableString coloredName = new SpannableString(name);
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coloredName.setSpan(new ForegroundColorSpan(K9.getContactNameColor()),
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0,
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coloredName.length(),
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Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
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);
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return coloredName;
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} else {
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return name;
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}
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}
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}
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return ((mPersonal != null) && (mPersonal.length() > 0)) ? mPersonal : mAddress;
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}
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public static CharSequence toFriendly(Address[] addresses) {
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return toFriendly(addresses, null);
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}
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public static CharSequence toFriendly(Address[] addresses, Contacts contacts) {
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if (addresses == null) {
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return null;
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}
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if (addresses.length >= TOO_MANY_ADDRESSES) {
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// Don't look up contacts if the number of addresses is very high.
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contacts = null;
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}
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SpannableStringBuilder sb = new SpannableStringBuilder();
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for (int i = 0; i < addresses.length; i++) {
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sb.append(addresses[i].toFriendly(contacts));
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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;
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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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ArrayList<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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