@Override
public void close() throws IOException {
mDelegate.close();
}
/**
* Finds the start position in the property file. We assume that the key is the first match on a
* line.
*
* @param propertyName the property name
* @return the start position of the property name in the file, -1 if not found
*/
private int findPropertyNameStartPosition(String propertyName) {
// Fix for http://dev.eclipse.org/bugs/show_bug.cgi?id=19319
InputStream stream = null;
LineReader lineReader = null;
String encoding;
try {
encoding = fPropertiesFile.getCharset();
} catch (CoreException e1) {
encoding = "ISO-8859-1"; // $NON-NLS-1$
}
try {
stream = createInputStream(fPropertiesFile);
lineReader = new LineReader(stream, encoding);
} catch (CoreException cex) {
// failed to get input stream
JavaPlugin.log(cex);
return -1;
} catch (IOException e) {
if (stream != null) {
try {
stream.close();
} catch (IOException ce) {
JavaPlugin.log(ce);
}
}
return -1;
}
int start = 0;
try {
StringBuffer buf = new StringBuffer(80);
int eols = lineReader.readLine(buf);
int keyLength = propertyName.length();
while (eols > 0) {
String line = buf.toString();
int i = line.indexOf(propertyName);
int charPos = i + keyLength;
char terminatorChar = 0;
boolean hasNoValue = (charPos >= line.length());
if (i > -1 && !hasNoValue) terminatorChar = line.charAt(charPos);
if (line.trim().startsWith(propertyName)
&& (hasNoValue || Character.isWhitespace(terminatorChar) || terminatorChar == '=')) {
start += line.indexOf(propertyName);
eols = -17; // found key
} else {
start += line.length() + eols;
buf.setLength(0);
eols = lineReader.readLine(buf);
}
}
if (eols != -17)
start =
-1; // key not found in file. See bug 63794. This can happen if the key contains escaped
// characters.
} catch (IOException ex) {
JavaPlugin.log(ex);
return -1;
} finally {
try {
lineReader.close();
} catch (IOException ex) {
JavaPlugin.log(ex);
}
}
return start;
}
