net.sourceforge.jweb.maven.mojo.InWarMinifyMojo Maven / Gradle / Ivy
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package net.sourceforge.jweb.maven.mojo;
/*
* Copyright 2002-2016 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.
*/
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;
import net.sourceforge.jweb.maven.minify.YUICompressorNoExit;
import org.apache.commons.io.FileUtils;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
/**
*
* InWarMinifyMojo can mini js and css in war package, it can work through your final war package and minifier js, css and freemarker files.
*
* Usage: mvn maven-jweb-plugin:warmini
* @author [email protected]
* @goal warmini
*/
public class InWarMinifyMojo extends MinifyMojo {
/**
* @parameter
*/
private boolean disabled=false;
private DecimalFormat decimalFormat=new DecimalFormat("0.00");
private NumberFormat numberFormat=NumberFormat.getPercentInstance();
public void execute() throws MojoExecutionException, MojoFailureException {
if(disabled) return ;
processConfiguration();
String name=this.getBuilddir().getAbsolutePath()+File.separator+this.getFinalName()+"."+this.getPacking();
this.getLog().info(name);
MinifyFileFilter fileFilter=new MinifyFileFilter();
int counter=0;
try {
File finalWarFile=new File(name);
File tempFile = File.createTempFile(finalWarFile.getName(), null);
tempFile.delete();//check deletion
boolean renameOk=finalWarFile.renameTo(tempFile);
if (!renameOk) {
getLog().error("Can not rename file, please check.");
}
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(finalWarFile));
ZipFile zipFile = new ZipFile(tempFile);
Enumeration entries=zipFile.entries();
while(entries.hasMoreElements()){
ZipEntry entry=entries.nextElement();
//no compress, just transfer to war
if(!fileFilter.accept(entry)){
getLog().debug("nocompress entry: "+entry.getName());
out.putNextEntry(entry);
InputStream inputStream=zipFile.getInputStream(entry);
byte[] buf=new byte[512];
int len=-1;
while ((len = inputStream.read(buf)) > 0) {
out.write(buf, 0, len);
}
inputStream.close();
continue;
}
File sourceTmp=new File(FileUtils.getUserDirectoryPath()+File.separator+".mvntmp"+File.separator+counter+".tmp");
File destTmp=new File(FileUtils.getUserDirectoryPath()+File.separator+".mvntmp"+File.separator+counter+".min.tmp");
FileUtils.writeStringToFile(sourceTmp, "");
FileUtils.writeStringToFile(destTmp, "");
//assemble arguments
String [] provied=getYuiArguments();
int length = (provied==null?0:provied.length);
length+=5;
int i=0;
String[] ret=new String[length];
ret[i++]="--type";
ret[i++]=(entry.getName().toLowerCase().endsWith(".css")?"css":"js");
if(provied!=null){
for(String s:provied){
ret[i++]=s;
}
}
ret[i++]=sourceTmp.getAbsolutePath();
ret[i++]="-o";
ret[i++]=destTmp.getAbsolutePath();
try {
InputStream in=zipFile.getInputStream(entry);
FileUtils.copyInputStreamToFile(in, sourceTmp);
in.close();
YUICompressorNoExit.main(ret);
} catch (Exception e) {
this.getLog().warn("compress error, this file will not be compressed:"+buildStack(e));
FileUtils.copyFile(sourceTmp, destTmp);
}
out.putNextEntry(new ZipEntry(entry.getName()));
InputStream compressedIn=new FileInputStream(destTmp);
byte[] buf=new byte[512];
int len=-1;
while ((len = compressedIn.read(buf)) > 0) {
out.write(buf, 0, len);
}
compressedIn.close();
String sourceSize=decimalFormat.format(sourceTmp.length()*1.0d/1024)+" KB";
String destSize=decimalFormat.format(destTmp.length()*1.0d/1024)+" KB";
getLog().info("compressed entry:"+entry.getName()+" ["+sourceSize+" ->"+destSize+"/"+numberFormat.format(1-destTmp.length()*1.0d/sourceTmp.length())+"]");
counter++;
}
zipFile.close();
out.close();
FileUtils.cleanDirectory(new File(FileUtils.getUserDirectoryPath()+File.separator+".mvntmp"));
FileUtils.forceDelete(new File(FileUtils.getUserDirectoryPath()+File.separator+".mvntmp"));
} catch (Exception e) {
e.printStackTrace();
}
}
class MinifyFileFilter{
public boolean accept(ZipEntry e) {
if(e.isDirectory()) return false;
return getMimes().contains(getEntryType(e))&&matchPath(e);
}
}
private String getEntryType(ZipEntry e) {
String result = null;
String fname = e.getName();
int index = fname.lastIndexOf(".");
if (index > 0) {
String type = fname.substring(index + 1);
result = type.toLowerCase();
}
return result;
}
private boolean matchPath(ZipEntry e) {
if(getExPatterns().isEmpty()) return true;
for(String p:getExPatterns()){
String path=e.getName();
if(getMatcher().match(p, path)) {
return false;
}
}
return true;
}
public static String buildStack(Throwable t) {
ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
PrintStream printStream = new PrintStream(arrayOutputStream);
t.printStackTrace(printStream);
String ret = arrayOutputStream.toString();
try {
arrayOutputStream.close();
printStream.close();
} catch (IOException e) {
e.printStackTrace();
}
return ret;
}
}