org.nuiton.i18n.plugin.parser.impl.ParserGWTJavaMojo Maven / Gradle / Ivy
/*
* #%L
* I18n :: Maven Plugin
*
* $Id: ParserGWTJavaMojo.java 1971 2012-08-29 19:38:52Z tchemit $
* $HeadURL: http://svn.nuiton.org/svn/i18n/tags/i18n-2.5.2/i18n-maven-plugin/src/main/java/org/nuiton/i18n/plugin/parser/impl/ParserGWTJavaMojo.java $
* %%
* Copyright (C) 2011 CodeLutin, Tony Chemit
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
package org.nuiton.i18n.plugin.parser.impl;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.nuiton.i18n.plugin.parser.AbstractFileParser;
import org.nuiton.i18n.plugin.parser.AbstractI18nParserMojo;
import org.nuiton.i18n.plugin.parser.FileParser;
import org.nuiton.i18n.plugin.parser.I18nSourceEntry;
import org.nuiton.i18n.plugin.parser.ParserException;
import org.nuiton.i18n.plugin.parser.SourceEntry;
import org.nuiton.io.FileUpdater;
import org.nuiton.io.MirroredFileUpdater;
import org.nuiton.io.SortedProperties;
import org.nuiton.processor.ProcessorUtil;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Pattern;
/**
* To detect from GWT java files new I18n keys, says content of patterns :
*
* - {@code @Key("XXX")}
* - {@code @LocalizableResource.Key("XXX")}
* - {@code @com.google.gwt.i18n.client.LocalizableResource.Key("XXX")}
*
* Note: this goal must always be invoked before the {@code process-resources}
* phase, otherwise all files will be considered as uptodate.
*
* @author tchemit
* @since 2.1
*/
@Mojo(name = "parserGWTJava", defaultPhase = LifecyclePhase.GENERATE_RESOURCES)
public class ParserGWTJavaMojo extends AbstractI18nParserMojo {
public static final String DEFAULT_INCLUDES = "**/*.java";
/** Root directory of the default entry. */
@Parameter(property = "i18n.defaultBasedir", defaultValue = "${basedir}/src/main/java")
protected File defaultBasedir;
/**
* Default included files to process (ant-like expression).
*
* Note: default value is **\/*.java
*/
@Parameter(property = "i18n.defaultIncludes", defaultValue = DEFAULT_INCLUDES, required = true)
protected String defaultIncludes;
/**
* Defines the file name of the getter where to put detected i18n keys
* while getter phase.
*
* @since 2.0
*/
@Parameter(property = "i18n.outputGetter", defaultValue = "gwt-java.getter")
protected String outputGetter;
/**
* Where to generated temporary processed files.
*
* @since 2.0
*/
@Parameter(property = "i18n.workdir", defaultValue = "${basedir}/target/i18n-workdir")
protected File workdir;
protected MirroredFileUpdater entryUpdater;
@Override
public String[] getDefaultIncludes() {
return new String[]{defaultIncludes};
}
@Override
public String[] getDefaultExcludes() {
return I18nSourceEntry.EMPTY_STRING_ARRAY;
}
@Override
public File getDefaultBasedir() {
return defaultBasedir;
}
@Override
protected boolean onEnterEntry(I18nSourceEntry entry) {
boolean b = super.onEnterEntry(entry);
if (!b) {
// no skipped entry
// keep the file updater
entryUpdater = (MirroredFileUpdater) entry.getUpdater();
}
return b;
}
@Override
public FileUpdater newFileUpdater(SourceEntry entry) {
return new MirroredFileUpdater("", "", entry.getBasedir(), workdir) {
@Override
public File getMirrorFile(File f) {
String file =
f.getAbsolutePath().substring(prefixSourceDirecotory);
return new File(destinationDirectory + File.separator + file);
}
};
}
@Override
protected String getOutGetter() {
return outputGetter;
}
@Override
public FileParser newFileParser(Pattern acceptPattern) {
return new GWTJavaFileParser(getLog(),
encoding,
oldParser,
acceptPattern,
isShowTouchedFiles()
);
}
protected class GWTJavaFileParser extends AbstractFileParser {
public GWTJavaFileParser(Log log,
String encoding,
SortedProperties oldParser,
Pattern acceptKeyPattern,
boolean showTouchedFiles) {
super(log, encoding, oldParser, acceptKeyPattern,showTouchedFiles);
}
protected File prepareFile(File file) throws IOException {
// clean the jsp to make it xml
File result = entryUpdater.getMirrorFile(file);
if (isVerbose()) {
getLog().info("Will process [" + file + "] to " + result);
}
try {
createDirectoryIfNecessary(result.getParentFile());
} catch (IOException e) {
// don't care about it...
}
GWTJavaProcessor processor = new GWTJavaProcessor();
processor.setVerbose(isVerbose());
processor.process(file, result, getEncoding());
return result;
}
@Override
public void parseFile(File file) throws IOException {
// clean the jsp to make it xml
File processedFile = prepareFile(file);
// process file to obtain
String line = null;
LineNumberReader lnr = new LineNumberReader(new InputStreamReader(
new FileInputStream(processedFile), getEncoding()));
try {
while ((line = lnr.readLine()) != null) {
parseLine(processedFile, line);
}
} catch (Exception e) {
if (line != null) {
getLog().error(
"could not parse line (" + lnr.getLineNumber() + ") '"
+ line + "' of file " + file);
}
throw new ParserException(e);
} finally {
lnr.close();
}
}
@Override
public void parseLine(File file, String line) throws IOException {
String key = line.trim();
if (key.isEmpty()) {
// no key detected on this line
return;
}
// // one key found in file, so file is marked as touched
// setTouched(true);
// Found a i18n key, register it.
if (getLog().isDebugEnabled()) {
getLog().debug(file.getName() + " detected key = " + key);
}
registerKey(key);
}
}
/**
* To Extract i18n keys from GWT java files.
*
* Says keep content only of those patterns :
*
* - {@code @Key("XXX")}
* - {@code @LocalizableResource.Key("XXX")}
* - {@code @com.google.gwt.i18n.client.LocalizableResource.Key("XXX")}
*
*
* @author tchemit
* @since 2.1
*/
public static class GWTJavaProcessor extends ProcessorHelper.AbstractParserProcessor {
protected ProcessorUtil.FragmentExtractor filter1 =
new ProcessorUtil.FragmentExtractor(
"@Key(\"",
"\")"
);
protected ProcessorUtil.FragmentExtractor filter2 =
new ProcessorUtil.FragmentExtractor(
"@LocalizableResource.Key(\"",
"\")"
);
protected ProcessorUtil.FragmentExtractor filter3 =
new ProcessorUtil.FragmentExtractor(
"@com.google.gwt.i18n.client.LocalizableResource.Key(\"",
"\")"
);
@Override
public void process(File filein,
File fileout,
String encoding) throws IOException {
Set keys = new HashSet();
extractKeys(filter1, filein, encoding, verbose, keys);
extractKeys(filter2, filein, encoding, verbose, keys);
extractKeys(filter3, filein, encoding, verbose, keys);
saveKeysToFile(fileout, keys);
}
}
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