修复在win上控制台无法显示彩色字体的问题
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src/main/java/org/fusesource/hawtjni/runtime/Library.java
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286
src/main/java/org/fusesource/hawtjni/runtime/Library.java
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package org.fusesource.hawtjni.runtime;
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import java.io.Closeable;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.ArrayList;
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import java.util.regex.Pattern;
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public class Library{
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static final String SLASH=System.getProperty("file.separator");
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private final String name;
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private final String version;
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private final ClassLoader classLoader;
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private boolean loaded;
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public Library(String name){
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this(name,null,null);
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}
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public Library(String name,Class<?> clazz){
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this(name,version(clazz),clazz.getClassLoader());
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}
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public Library(String name,String version){
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this(name,version,null);
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}
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public Library(String name,String version,ClassLoader classLoader){
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if(name==null){
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throw new IllegalArgumentException("name cannot be null");
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}
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this.name=name;
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this.version=version;
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this.classLoader=classLoader;
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}
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private static String version(Class<?> clazz){
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try{
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return clazz.getPackage().getImplementationVersion();
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}catch(Throwable e){
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}
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return null;
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}
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public static String getOperatingSystem(){
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String name=System.getProperty("os.name").toLowerCase().trim();
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if(name.startsWith("linux")){
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return "linux";
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}
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if(name.startsWith("mac os x")){
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return "osx";
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}
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if(name.startsWith("win")){
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return "windows";
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}
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return name.replaceAll("\\W+","_");
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}
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public static String getPlatform(){
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return getOperatingSystem()+getBitModel();
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}
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public static int getBitModel(){
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String prop=System.getProperty("sun.arch.data.model");
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if(prop==null){
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prop=System.getProperty("com.ibm.vm.bitmode");
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}
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if(prop!=null){
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return Integer.parseInt(prop);
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}
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return -1;
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}
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public synchronized void load(){
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if(this.loaded){
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return;
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}
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doLoad();
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this.loaded=true;
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}
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private void doLoad(){
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String version=System.getProperty("library."+this.name+".version");
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if(version==null){
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version=this.version;
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}
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ArrayList<String> errors=new ArrayList();
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String customPath=System.getProperty("library."+this.name+".path");
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if(customPath!=null){
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if(version!=null){
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if(load(errors,file(new String[]{customPath,map(this.name+"-"+version)}))){
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return;
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}
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}
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if(load(errors,file(new String[]{customPath,map(this.name)}))){
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return;
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}
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}
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if((version!=null)&&(load(errors,this.name+getBitModel()+"-"+version))){
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return;
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}
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if((version!=null)&&(load(errors,this.name+"-"+version))){
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return;
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}
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if(load(errors,this.name)){
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return;
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}
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if(this.classLoader!=null){
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if(exractAndLoad(errors,version,customPath,getPlatformSpecifcResourcePath())){
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return;
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}
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if(exractAndLoad(errors,version,customPath,getOperatingSystemSpecifcResourcePath())){
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return;
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}
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if(exractAndLoad(errors,version,customPath,getResorucePath())){
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return;
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}
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}
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throw new UnsatisfiedLinkError("Could not load library. Reasons: "+errors.toString());
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}
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public final String getOperatingSystemSpecifcResourcePath(){
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return getPlatformSpecifcResourcePath(getOperatingSystem());
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}
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public final String getPlatformSpecifcResourcePath(){
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return getPlatformSpecifcResourcePath(getPlatform());
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}
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public final String getPlatformSpecifcResourcePath(String platform){
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return "META-INF/native/"+platform+"/"+map(this.name);
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}
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public final String getResorucePath(){
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return "META-INF/native/"+map(this.name);
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}
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public final String getLibraryFileName(){
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return map(this.name);
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}
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private boolean exractAndLoad(ArrayList<String> errors,String version,String customPath,String resourcePath){
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URL resource=this.classLoader.getResource(resourcePath);
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if(resource!=null){
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String libName=this.name+"-"+getBitModel();
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if(version!=null){
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libName=libName+"-"+version;
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}
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String[] libNameParts=map(libName).split("\\.");
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String prefix=libNameParts[0]+"-";
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String suffix="."+libNameParts[1];
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if(customPath!=null){
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File target=extract(errors,resource,prefix,suffix,file(new String[]{customPath}));
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if((target!=null)&&
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(load(errors,target))){
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return true;
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}
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}
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customPath=System.getProperty("java.io.tmpdir");
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File target=extract(errors,resource,prefix,suffix,file(new String[]{customPath}));
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if((target!=null)&&
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(load(errors,target))){
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return true;
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}
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}
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return false;
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}
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private File extract(ArrayList<String> errors,URL source,String prefix,String suffix,File directory){
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File target=null;
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try{
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FileOutputStream os=null;
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InputStream is=null;
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try{
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target=File.createTempFile(prefix,suffix,directory);
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is=source.openStream();
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byte[] buffer;
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if(is!=null){
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buffer=new byte[64];
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os=new FileOutputStream(target);
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int read;
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while((read=is.read(buffer))!=-1){
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os.write(buffer,0,read);
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}
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chmod("755",target);
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}
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target.deleteOnExit();
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}finally{
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close(os,is);
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}
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}catch(Throwable e){
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if(target!=null){
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target.delete();
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}
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errors.add(e.getMessage());
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}
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return target;
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}
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private static void close(Closeable...pStreams){
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for(Closeable sStream : pStreams){
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if(sStream!=null){
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try{
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sStream.close();
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}catch(Exception ignore){
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}
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}
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}
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}
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private File file(String...paths){
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File rc=null;
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for(String path : paths){
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if(rc==null){
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rc=new File(path);
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}else{
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rc=new File(rc,path);
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}
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}
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return rc;
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}
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private String map(String libName){
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libName=System.mapLibraryName(libName);
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String ext=".dylib";
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if(libName.endsWith(ext)){
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libName=libName.substring(0,libName.length()-ext.length())+".jnilib";
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}
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return libName;
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}
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private boolean isStale(URL source,File target){
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if(source.getProtocol().equals("jar")){
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try{
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String[] parts=source.getFile().split(Pattern.quote("!"));
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source=new URL(parts[0]);
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}catch(MalformedURLException e){
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return false;
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}
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}
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File sourceFile=null;
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if(source.getProtocol().equals("file")){
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sourceFile=new File(source.getFile());
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}
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if((sourceFile!=null)&&(sourceFile.exists())&&
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(sourceFile.lastModified()>target.lastModified())){
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return true;
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}
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return false;
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}
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private void chmod(String permision,File path){
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if(getPlatform().startsWith("windows")){
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return;
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}
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try{
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Runtime.getRuntime().exec(new String[]{"chmod",permision,path.getCanonicalPath()}).waitFor();
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}catch(Throwable e){
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}
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}
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private boolean load(ArrayList<String> errors,File lib){
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try{
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System.load(lib.getPath());
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return true;
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}catch(UnsatisfiedLinkError e){
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errors.add(e.getMessage());
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}
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return false;
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}
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private boolean load(ArrayList<String> errors,String lib){
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try{
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System.loadLibrary(lib);
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return true;
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}catch(UnsatisfiedLinkError e){
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errors.add(e.getMessage());
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}
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return false;
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}
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}
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