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Code Issues Wiki Activity

Fixed a potential file handle leak.

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This commit is contained in:
Sergey Prigogin 2012-04-19 12:16:21 -07:00
parent e58cbbc948
commit d557165f90
1 changed files with 29 additions and 19 deletions
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48
build/org.eclipse.cdt.autotools.core/src/org/eclipse/cdt/internal/autotools/core/ErrorParser.java
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@ -7,11 +7,13 @@
*
* Contributors:
* Red Hat Inc. - initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.core;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
import java.lang.reflect.Method;
import java.util.regex.Matcher;
@ -29,11 +31,10 @@ import org.eclipse.core.runtime.Path;
// possibly other data in the future. The standard CDT ErrorParserManager doesn't allow
// us to pass an extended ProblemMarkerInfo, so we are forced to have our own mechanism
// which is similar to the CDT one.
public class ErrorParser extends MarkerGenerator implements IErrorParser{
public class ErrorParser extends MarkerGenerator implements IErrorParser {
public static final String ID = AutotoolsPlugin.PLUGIN_ID + ".errorParser"; //$NON-NLS-1$
private Pattern pkgconfigError =
Pattern.compile(".*?(configure:\\s+error:\\s+Package requirements\\s+\\((.*?)\\)\\s+were not met).*"); //$NON-NLS-1$
Pattern.compile(".*?(configure:\\s+error:\\s+Package requirements\\s+\\((.*?)\\)\\s+were not met).*"); //$NON-NLS-1$
private Pattern genconfigError =
Pattern.compile(".*?configure:\\s+error:\\s+(.*)"); //$NON-NLS-1$
private Pattern checkingFail =
@ -54,6 +55,7 @@ public class ErrorParser extends MarkerGenerator implements IErrorParser{
this.sourcePath = sourcePath;
}
@Override
public boolean processLine(String line,
org.eclipse.cdt.core.ErrorParserManager eoParser) {
@ -149,10 +151,9 @@ public class ErrorParser extends MarkerGenerator implements IErrorParser{
if (!file.exists())
return null;
FileReader stream;
LineNumberReader reader = null;
try {
stream = new FileReader(file);
LineNumberReader reader = new LineNumberReader(stream);
reader = new LineNumberReader(new FileReader(file));
// look for something like:
// if test "${ac_cv_prog_WINDRES+set}" = set; then :
@ -179,10 +180,16 @@ public class ErrorParser extends MarkerGenerator implements IErrorParser{
}
line = reader.readLine();
}
stream.close();
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
// Ignore.
}
}
}
return null;
@ -196,31 +203,34 @@ public class ErrorParser extends MarkerGenerator implements IErrorParser{
* @return
*/
private int getErrorConfigLineNumber(String name) {
LineNumberReader reader = null;
try {
File file = new File(buildDir + "/config.log");
// If the log file is not present there is nothing we can do.
if (!file.exists())
return -1;
FileReader stream = new FileReader(file);
LineNumberReader reader = new LineNumberReader(stream);
reader = new LineNumberReader(new FileReader(file));
Pattern errorPattern = Pattern
.compile("configure:(\\d+): checking for " + name); //$NON-NLS-1$
String line = reader.readLine();
while (line != null) {
Pattern errorPattern =
Pattern.compile("configure:(\\d+): checking for " + name); //$NON-NLS-1$
String line;
while ((line = reader.readLine()) != null) {
Matcher m = errorPattern.matcher(line);
if (m.matches()) {
return Integer.parseInt(m.group(1));
}
line = reader.readLine();
}
stream.close();
} catch (Exception e) {
return -1;
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
// Ignore.
}
}
}
return -1;
}