根据类查找其所在的jar包
package text;
import java.io.File;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class testFindJar {
public String className;
public ArrayList jarFiles = new ArrayList();
public testFindJar() {
}
public testFindJar(String className) {
this.className = className;
}
public void setClassName(String className) {
this.className = className;
}
public List findClass(String dir, boolean recurse) {
searchDir(dir, recurse);
return this.jarFiles;
}
protected void searchDir(String dir, boolean recurse) {
try {
File d = new File(dir);
if (!d.isDirectory()) {
return;
}
File[] files = d.listFiles();
for (int i = 0; i < files.length; i++) {
if (recurse && files[i].isDirectory()) {
searchDir(files[i].getAbsolutePath(), true);
} else {
String filename = files[i].getAbsolutePath();
if (filename.endsWith(".jar")||filename.endsWith(".zip")) {
ZipFile zip = new ZipFile(filename);
Enumeration entries = zip.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = (ZipEntry) entries.nextElement();
String thisClassName = getClassName(entry);
if (thisClassName.equals(this.className) || thisClassName.equals(this.className + ".class")) {
this.jarFiles.add(filename);
}
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public List getFilenames() {
return this.jarFiles;
}
protected String getClassName(ZipEntry entry) {
StringBuffer className = new StringBuffer(entry.getName().replace('/','.'));
return className.toString();
}
public static void main(String args[]) {
//根据类查找其所在的jar包
testFindJar findInJar = new testFindJar("com.ailk.filter.CommonFilter");
List jarFiles = findInJar.findClass("E:/workspace/newlianc/wadelib_sale/web/WEB-INF/lib", true);
if (jarFiles.size() == 0) {
System.out.println("Not Found");
} else {
for (int i = 0; i < jarFiles.size(); i++) {
System.out.println(jarFiles.get(i));
}
}
}
}