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1
11 package org.eclipse.ant.internal.ui.antsupport.logger;
12
13
14 import java.io.PrintStream  ;
15
16 import org.apache.tools.ant.BuildEvent;
17 import org.apache.tools.ant.BuildException;
18 import org.apache.tools.ant.BuildLogger;
19 import org.apache.tools.ant.Project;
20 import org.apache.tools.ant.util.StringUtils;
21 import org.eclipse.ant.core.AntSecurityException;
22 import org.eclipse.ant.internal.core.AbstractEclipseBuildLogger;
23 import org.eclipse.ant.internal.ui.antsupport.AntSupportMessages;
24 import org.eclipse.core.runtime.OperationCanceledException;
25
26 public class NullBuildLogger extends AbstractEclipseBuildLogger implements BuildLogger{
27
28 protected int fMessageOutputLevel = Project.MSG_INFO;
29 private PrintStream fErr= null;
30 private PrintStream fOut= null;
31 protected boolean fEmacsMode= false;
32
33
36 protected Throwable fHandledException= null;
37
38
41 public void setMessageOutputLevel(int level) {
42 fMessageOutputLevel= level;
43 }
44
45 protected int getMessageOutputLevel() {
46 return fMessageOutputLevel;
47 }
48
49
52 public void setEmacsMode(boolean emacsMode) {
53 fEmacsMode= emacsMode;
54 }
55
56
59 public void buildStarted(BuildEvent event) {
60 }
61
62
65 public void buildFinished(BuildEvent event) {
66 String message= handleException(event);
67 if (message != null) {
68 logMessage(message, getMessageOutputLevel());
69 }
70 fHandledException= null;
71 }
72
73
76 public void targetStarted(BuildEvent event) {
77 }
78
79
82 public void targetFinished(BuildEvent event) {
83 }
84
85
88 public void taskStarted(BuildEvent event) {
89 }
90
91
94 public void taskFinished(BuildEvent event) {
95 }
96
97
100 public void messageLogged(BuildEvent event) {
101 logMessage(event.getMessage(), event.getPriority());
102 }
103
104 protected PrintStream getErrorPrintStream() {
105 return fErr;
106 }
107
108 protected PrintStream getOutputPrintStream() {
109 return fOut;
110 }
111
112
115 public void setErrorPrintStream(PrintStream err) {
116 if (err == System.err) {
119 fErr= null;
120 } else {
121 fErr= err;
122 }
123 }
124
125
128 public void setOutputPrintStream(PrintStream output) {
129 if (output == System.out) {
132 fOut= null;
133 } else {
134 fOut= output;
135 }
136 }
137
138 protected void logMessage(String message, int priority) {
139 if (priority > getMessageOutputLevel()) {
140 return;
141 }
142
143 if (priority == Project.MSG_ERR) {
144 if (getErrorPrintStream() != null && getErrorPrintStream() != System.err) {
145 getErrorPrintStream().println(message);
147 }
148 } else {
149 if (getOutputPrintStream() != null && getOutputPrintStream() != System.out) {
150 getOutputPrintStream().println(message);
152 }
153 }
154 }
155
156 protected String handleException(BuildEvent event) {
157 Throwable exception = event.getException();
158 if (exception == null || exception == fHandledException
159 || exception instanceof OperationCanceledException
160 || exception instanceof AntSecurityException) {
161 return null;
162 }
163 fHandledException= exception;
164 StringBuffer message= new StringBuffer ();
165 message.append(StringUtils.LINE_SEP);
166 message.append(AntSupportMessages.NullBuildLogger_1);
167 message.append(StringUtils.LINE_SEP);
168 if (Project.MSG_VERBOSE <= fMessageOutputLevel || !(exception instanceof BuildException)) {
169 message.append(StringUtils.getStackTrace(exception));
170 } else {
171 if (exception instanceof BuildException) {
172 message.append(exception.toString()).append(StringUtils.LINE_SEP);
173 } else {
174 message.append(exception.getMessage()).append(StringUtils.LINE_SEP);
175 }
176 }
177
178 return message.toString();
179 }
180 }
181 |
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