001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common Development
008: * and Distribution License("CDDL") (collectively, the "License"). You
009: * may not use this file except in compliance with the License. You can obtain
010: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
011: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
012: * language governing permissions and limitations under the License.
013: *
014: * When distributing the software, include this License Header Notice in each
015: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
016: * Sun designates this particular file as subject to the "Classpath" exception
017: * as provided by Sun in the GPL Version 2 section of the License file that
018: * accompanied this code. If applicable, add the following below the License
019: * Header, with the fields enclosed by brackets [] replaced by your own
020: * identifying information: "Portions Copyrighted [year]
021: * [name of copyright owner]"
022: *
023: * Contributor(s):
024: *
025: * If you wish your version of this file to be governed by only the CDDL or
026: * only the GPL Version 2, indicate your decision by adding "[Contributor]
027: * elects to include this software in this distribution under the [CDDL or GPL
028: * Version 2] license." If you don't indicate a single choice of license, a
029: * recipient has the option to distribute your version of this file under
030: * either the CDDL, the GPL Version 2 or to extend the choice of license to
031: * its licensees as provided above. However, if you add GPL Version 2 code
032: * and therefore, elected the GPL Version 2 license, then the option applies
033: * only if the new code is made subject to such option by the copyright
034: * holder.
035: */
036:
037: /*
038: * @(#)IMAPResponse.java 1.5 07/05/04
039: */
040:
041: package com.sun.mail.imap.protocol;
042:
043: import java.io.*;
044: import java.util.*;
045: import com.sun.mail.util.*;
046: import com.sun.mail.iap.*;
047:
048: /**
049: * This class represents a response obtained from the input stream
050: * of an IMAP server.
051: *
052: * @version 1.5, 07/05/04
053: * @author John Mani
054: */
055:
056: public class IMAPResponse extends Response {
057: private String key;
058: private int number;
059:
060: public IMAPResponse(Protocol c) throws IOException,
061: ProtocolException {
062: super (c);
063:
064: // continue parsing if this is an untagged response
065: if (isUnTagged() && !isOK() && !isNO() && !isBAD() && !isBYE()) {
066: key = readAtom();
067:
068: // Is this response of the form "* <number> <command>"
069: try {
070: number = Integer.parseInt(key);
071: key = readAtom();
072: } catch (NumberFormatException ne) {
073: }
074: }
075: }
076:
077: /**
078: * Copy constructor.
079: */
080: public IMAPResponse(IMAPResponse r) {
081: super ((Response) r);
082: key = r.key;
083: number = r.number;
084: }
085:
086: /**
087: * Read a list of space-separated "flag_extension" sequences and
088: * return the list as a array of Strings. An empty list is returned
089: * as null. This is an IMAP-ism, and perhaps this method should
090: * moved into the IMAP layer.
091: */
092: public String[] readSimpleList() {
093: skipSpaces();
094:
095: if (buffer[index] != '(') // not what we expected
096: return null;
097: index++; // skip '('
098:
099: Vector v = new Vector();
100: int start;
101: for (start = index; buffer[index] != ')'; index++) {
102: if (buffer[index] == ' ') { // got one item
103: v.addElement(ASCIIUtility
104: .toString(buffer, start, index));
105: start = index + 1; // index gets incremented at the top
106: }
107: }
108: if (index > start) // get the last item
109: v.addElement(ASCIIUtility.toString(buffer, start, index));
110: index++; // skip ')'
111:
112: int size = v.size();
113: if (size > 0) {
114: String[] s = new String[size];
115: v.copyInto(s);
116: return s;
117: } else
118: // empty list
119: return null;
120: }
121:
122: public String getKey() {
123: return key;
124: }
125:
126: public boolean keyEquals(String k) {
127: if (key != null && key.equalsIgnoreCase(k))
128: return true;
129: else
130: return false;
131: }
132:
133: public int getNumber() {
134: return number;
135: }
136:
137: public static IMAPResponse readResponse(Protocol p)
138: throws IOException, ProtocolException {
139: IMAPResponse r = new IMAPResponse(p);
140: if (r.keyEquals("FETCH"))
141: r = new FetchResponse(r);
142: return r;
143: }
144: }
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