org.apache.cxf.tools.util.Compiler Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.tools.util;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.cxf.helpers.FileUtils;
public class Compiler {
public boolean compileFiles(String[] files, File outputDir) {
List list = new ArrayList();
list.add("javac");
if (outputDir != null) {
list.add("-d");
list.add(outputDir.getAbsolutePath().replace(File.pathSeparatorChar, '/'));
}
String javaClasspath = System.getProperty("java.class.path");
boolean classpathSetted = javaClasspath != null ? true : false;
if (!classpathSetted) {
list.add("-extdirs");
list.add(getClass().getClassLoader().getResource(".").getFile() + "../lib/");
} else {
list.add("-classpath");
list.add(javaClasspath);
}
int idx = list.size();
list.addAll(Arrays.asList(files));
return internalCompile(list.toArray(new String[list.size()]), idx);
}
public boolean internalCompile(String[] args, int sourceFileIndex) {
Process p = null;
String cmdArray[] = null;
File tmpFile = null;
try {
if (isLongCommandLines(args) && sourceFileIndex >= 0) {
PrintWriter out = null;
tmpFile = FileUtils.createTempFile("cxf-compiler", null);
out = new PrintWriter(new FileWriter(tmpFile));
for (int i = sourceFileIndex; i < args.length; i++) {
if (args[i].indexOf(" ") > -1) {
args[i] = args[i].replace(File.separatorChar, '/');
//
// javac gives an error if you use forward slashes
// with package-info.java. Refer to:
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6198196
//
if (args[i].indexOf("package-info.java") > -1
&& System.getProperty("os.name").toLowerCase().indexOf("windows") > -1) {
out.println("\"" + args[i].replaceAll("/", "\\\\\\\\") + "\"");
} else {
out.println("\"" + args[i] + "\"");
}
} else {
out.println(args[i]);
}
}
out.flush();
out.close();
cmdArray = new String[sourceFileIndex + 1];
System.arraycopy(args, 0, cmdArray, 0, sourceFileIndex);
cmdArray[sourceFileIndex] = "@" + tmpFile;
} else {
cmdArray = new String[args.length];
System.arraycopy(args, 0, cmdArray, 0, args.length);
}
if (System.getProperty("os.name").toLowerCase().indexOf("windows") > -1) {
for (int i = 0; i < cmdArray.length; i++) {
if (cmdArray[i].indexOf("package-info") == -1) {
cmdArray[i] = cmdArray[i].replace('\\', '/');
}
}
}
p = Runtime.getRuntime().exec(cmdArray);
if (p.getErrorStream() != null) {
StreamPrinter errorStreamPrinter = new StreamPrinter(p.getErrorStream(), "", System.out);
errorStreamPrinter.run();
}
if (p.getInputStream() != null) {
StreamPrinter infoStreamPrinter = new StreamPrinter(p.getInputStream(), "[INFO]", System.out);
infoStreamPrinter.run();
}
if (p != null) {
return p.waitFor() == 0 ? true : false;
}
} catch (SecurityException e) {
System.err.println("[ERROR] SecurityException during exec() of compiler \"" + args[0] + "\".");
} catch (InterruptedException e) {
// ignore
} catch (IOException e) {
System.err.print("[ERROR] IOException during exec() of compiler \"" + args[0] + "\"");
System.err.println(". Check your path environment variable.");
} finally {
if (tmpFile != null
&& tmpFile.exists()) {
FileUtils.delete(tmpFile);
}
}
return false;
}
private boolean isLongCommandLines(String args[]) {
StringBuffer strBuffer = new StringBuffer();
for (int i = 0; i < args.length; i++) {
strBuffer.append(args[i]);
}
return strBuffer.toString().length() > 4096 ? true : false;
}
}