001 package org.apache.maven.scm.provider.perforce.command.checkin;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements. See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership. The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License. You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied. See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022 import org.apache.regexp.RE;
023 import org.apache.regexp.RESyntaxException;
024 import org.codehaus.plexus.util.cli.StreamConsumer;
025
026 import java.io.PrintWriter;
027 import java.io.StringWriter;
028
029 /**
030 * @author Mike Perham
031 * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
032 * evenisse $
033 */
034 public class PerforceCheckInConsumer
035 implements StreamConsumer
036 {
037 private static final String CREATED_PATTERN = "^Change \\d+ created .+$";
038
039 private static final String SUBMITTING_PATTERN = "^Submitting change \\d+\\.$";
040
041 private static final String LOCKING_PATTERN = "^Locking \\d+ files \\.\\.\\.$";
042
043 private static final String OP_PATTERN = "^[a-z]+ //[^#]+#\\d+$";
044
045 // SCM-181 Two possible messages:
046 // "Change 94821 renamed change 94823 and submitted."
047 // "Change 94821 submitted."
048 private static final String COMPLETE_PATTERN = "^Change \\d+ .*submitted.$";
049
050 public static final int STATE_CREATED = 1;
051
052 public static final int STATE_SUBMITTING = 2;
053
054 public static final int STATE_LOCKING = 3;
055
056 public static final int STATE_OP = 4;
057
058 public static final int STATE_COMPLETE = 5;
059
060 public static final int STATE_ERROR = 6;
061
062 private StringWriter errors = new StringWriter();
063
064 private PrintWriter errorOutput = new PrintWriter( errors );
065
066 private int currentState = STATE_CREATED;
067
068 private RE opRegexp;
069
070 public PerforceCheckInConsumer()
071 {
072 try
073 {
074 opRegexp = new RE( OP_PATTERN );
075 }
076 catch ( RESyntaxException ignored )
077 {
078 ignored.printStackTrace();
079 }
080 }
081
082 /*
083 * Change 80835 created with 1 open file(s). Submitting change 80835.
084 * Locking 1 files ... add //depot/modules/cordoba/runtime-ear/foo.xml#1
085 * Change 80835 submitted.
086 */
087 /*
088 * Submitting change 80837. Locking 1 files ... edit
089 * //depot/modules/cordoba/runtime-ear/Foo.java#2 Submit validation failed --
090 * fix problems then use 'p4 submit -c 80837'. 'checkstyle' validation
091 * failed:
092 *
093 * depot/modules/cordoba/runtime-ear/Foo.java:3:1: Got an exception -
094 * expecting EOF, found '}'
095 */
096 /** {@inheritDoc} */
097 public void consumeLine( String line )
098 {
099 if ( line.startsWith( "... " ) )
100 {
101 //TODO log this somehow?
102 //System.out.println("Perforce: " + line);
103 return;
104 }
105
106 switch ( currentState )
107 {
108 case STATE_CREATED:
109 boolean created = new RE( CREATED_PATTERN ).match( line );
110 if ( created )
111 {
112 currentState++;
113 break;
114 }
115 error( line );
116 break;
117 case STATE_SUBMITTING:
118 boolean submitting = new RE( SUBMITTING_PATTERN ).match( line );
119 if ( submitting )
120 {
121 currentState++;
122 break;
123 }
124 error( line );
125 break;
126 case STATE_LOCKING:
127 boolean locked = new RE( LOCKING_PATTERN ).match( line );
128 if ( locked )
129 {
130 currentState++;
131 break;
132 }
133 error( line );
134 break;
135 case STATE_OP:
136 boolean operation = opRegexp.match( line );
137 if ( operation )
138 {
139 break;
140 }
141 else if ( new RE( COMPLETE_PATTERN ).match( line ) )
142 {
143 currentState++;
144 break;
145 }
146 error( line );
147 break;
148 case STATE_ERROR:
149 error( line );
150 break;
151 default:
152 }
153 }
154
155 private void error( String line )
156 {
157 // if (currentState != STATE_ERROR) {
158 // System.out.println("Unable to match: " + line + " State: " +
159 // currentState);
160 // new Exception().printStackTrace();
161 // }
162 currentState = STATE_ERROR;
163 errorOutput.println( line );
164 }
165
166 public boolean isSuccess()
167 {
168 return currentState == STATE_COMPLETE;
169 }
170
171 public String getOutput()
172 {
173 errorOutput.flush();
174 errors.flush();
175 return errors.toString();
176 }
177 }