/*
* Copyright 2009 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.launcher.daemon.testing;
import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
import org.gradle.launcher.daemon.context.DaemonContext;
import org.gradle.launcher.daemon.context.DefaultDaemonContext;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class DaemonContextParser {
public static DaemonContext parseFromFile(File file) {
try {
BufferedReader reader = new BufferedReader(new FileReader(file));
for (String line = reader.readLine(); line != null; line = reader.readLine()) {
DaemonContext context = parseFrom(line);
if (context != null) {
return context;
}
}
} catch(FileNotFoundException e) {
throw new IllegalStateException("unable to parse DefaultDaemonContext from source: [" + file.getAbsolutePath() + "].", e);
} catch (IOException e) {
throw new IllegalStateException("unable to parse DefaultDaemonContext from source: [" + file.getAbsolutePath() + "].", e);
}
throw new IllegalStateException("unable to parse DefaultDaemonContext from source: [" + file.getAbsolutePath() + "].");
}
public static DaemonContext parseFromString(String source) {
DaemonContext context = parseFrom(source);
if (context == null) {
throw new IllegalStateException("unable to parse DefaultDaemonContext from source: [" + source + "].");
}
return context;
}
private static DaemonContext parseFrom(String source) {
Pattern pattern = Pattern.compile("^.*DefaultDaemonContext\\[(uid=[^\\n,]+)?,?javaHome=([^\\n]+),daemonRegistryDir=([^\\n]+),pid=([^\\n]+),idleTimeout=(.+?),daemonOpts=([^\\n]+)].*",
Pattern.MULTILINE + Pattern.DOTALL);
Matcher matcher = pattern.matcher(source);
if (matcher.matches()) {
String uid = matcher.group(1) == null ? null : matcher.group(1).substring("uid=".length());
String javaHome = matcher.group(2);
String daemonRegistryDir = matcher.group(3);
String pidStr = matcher.group(4);
Long pid = pidStr.equals("null") ? null : Long.parseLong(pidStr);
Integer idleTimeout = Integer.decode(matcher.group(5));
List<String> jvmOpts = Lists.newArrayList(Splitter.on(',').split(matcher.group(6)));
return new DefaultDaemonContext(uid, new File(javaHome), new File(daemonRegistryDir), pid, idleTimeout, jvmOpts);
} else {
return null;
}
}
}