1 package org.apache.maven.scm.provider.perforce.command.checkin;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.codehaus.plexus.util.cli.StreamConsumer;
23
24 import java.io.PrintWriter;
25 import java.io.StringWriter;
26 import java.util.regex.Pattern;
27
28 /**
29 * @author Mike Perham
30 */
31 public class PerforceCheckInConsumer
32 implements StreamConsumer
33 {
34 private static final Pattern CREATED_PATTERN = Pattern.compile( "^Change \\d+ created .+$" );
35
36 private static final Pattern SUBMITTING_PATTERN = Pattern.compile( "^Submitting change \\d+\\.$" );
37
38 private static final Pattern LOCKING_PATTERN = Pattern.compile( "^Locking \\d+ files \\.\\.\\.$" );
39
40 private static final Pattern OPERATION_PATTERN = Pattern.compile( "^[a-z]+ //[^#]+#\\d+$" );
41
42 // SCM-181 Two possible messages:
43 // "Change 94821 renamed change 94823 and submitted."
44 // "Change 94821 submitted."
45 private static final Pattern COMPLETE_PATTERN = Pattern.compile( "^Change \\d+ .*submitted.$" );
46
47 public static final int STATE_CREATED = 1;
48
49 public static final int STATE_SUBMITTING = 2;
50
51 public static final int STATE_LOCKING = 3;
52
53 public static final int STATE_OP = 4;
54
55 public static final int STATE_COMPLETE = 5;
56
57 public static final int STATE_ERROR = 6;
58
59 private StringWriter errors = new StringWriter();
60
61 private PrintWriter errorOutput = new PrintWriter( errors );
62
63 private int currentState = STATE_CREATED;
64
65 /*
66 * Change 80835 created with 1 open file(s). Submitting change 80835.
67 * Locking 1 files ... add //depot/modules/cordoba/runtime-ear/foo.xml#1
68 * Change 80835 submitted.
69 */
70 /*
71 * Submitting change 80837. Locking 1 files ... edit
72 * //depot/modules/cordoba/runtime-ear/Foo.java#2 Submit validation failed --
73 * fix problems then use 'p4 submit -c 80837'. 'checkstyle' validation
74 * failed:
75 *
76 * depot/modules/cordoba/runtime-ear/Foo.java:3:1: Got an exception -
77 * expecting EOF, found '}'
78 */
79 /** {@inheritDoc} */
80 public void consumeLine( String line )
81 {
82 if ( line.startsWith( "... " ) )
83 {
84 //TODO log this somehow?
85 //System.out.println("Perforce: " + line);
86 return;
87 }
88
89 switch ( currentState )
90 {
91 case STATE_CREATED:
92 boolean created = CREATED_PATTERN.matcher( line ).matches();
93 if ( created )
94 {
95 currentState++;
96 break;
97 }
98 error( line );
99 break;
100 case STATE_SUBMITTING:
101 boolean submitting = SUBMITTING_PATTERN.matcher( line ).matches();
102 if ( submitting )
103 {
104 currentState++;
105 break;
106 }
107 error( line );
108 break;
109 case STATE_LOCKING:
110 boolean locked = LOCKING_PATTERN.matcher( line ).matches();
111 if ( locked )
112 {
113 currentState++;
114 break;
115 }
116 error( line );
117 break;
118 case STATE_OP:
119 boolean operation = OPERATION_PATTERN.matcher( line ).matches();
120 if ( operation )
121 {
122 break;
123 }
124 else if ( COMPLETE_PATTERN.matcher( line ).matches() )
125 {
126 currentState++;
127 break;
128 }
129 error( line );
130 break;
131 case STATE_ERROR:
132 error( line );
133 break;
134 default:
135 }
136 }
137
138 private void error( String line )
139 {
140 // if (currentState != STATE_ERROR) {
141 // System.out.println("Unable to match: " + line + " State: " +
142 // currentState);
143 // new Exception().printStackTrace();
144 // }
145 currentState = STATE_ERROR;
146 errorOutput.println( line );
147 }
148
149 public boolean isSuccess()
150 {
151 return currentState == STATE_COMPLETE;
152 }
153
154 public String getOutput()
155 {
156 errorOutput.flush();
157 errors.flush();
158 return errors.toString();
159 }
160 }