import java.io.*; import java.util.*; import java.util.jar.*; boolean result = true; try { File f1 = new File( basedir, "enum/target/enum-1-bin.jar" ); File f2 = new File( basedir, "wildcard/target/wildcard-1-bin.jar" ); JarFile jf1 = new JarFile( f1 ); JarFile jf2 = new JarFile( f2 ); for( Enumeration e = jf1.entries(); e.hasMoreElements(); ) { JarEntry entry1 = (JarEntry) e.nextElement(); JarEntry entry2 = (JarEntry) jf2.getEntry( entry1.getName() ); if ( entry2 == null ) { System.out.println( "Missing entry: " + entry1.getName() + " in " + f2 ); result = false; } } for( Enumeration e = jf2.entries(); e.hasMoreElements(); ) { JarEntry entry2 = (JarEntry) e.nextElement(); JarEntry entry1 = (JarEntry) jf2.getEntry( entry2.getName() ); if ( entry1 == null ) { System.out.println( "Missing entry: " + entry2.getName() + " in " + f1 ); result = false; } if ( !entry1.isDirectory() ) { if ( entry2.isDirectory() ) { System.out.println( "One file is directory, the other a file! Entry: " + entry2.getName() ); result = false; } else { ByteArrayOutputStream b1 = new ByteArrayOutputStream(); InputStream in = jf1.getInputStream( entry1 ); byte[] buf = new byte[1024]; int read = -1; while( ( read = in.read( buf ) ) > -1 ) { b1.write( buf, 0, read ); } ByteArrayOutputStream b2 = new ByteArrayOutputStream(); in = jf2.getInputStream( entry2 ); read = -1; while( ( read = in.read( buf ) ) > -1 ) { b2.write( buf, 0, read ); } if ( !Arrays.equals( b1.toByteArray(), b2.toByteArray() ) ) { System.out.println( "Entries are not equal! Entry name: " + entry2.getName() ); result = false; } } } } } catch ( IOException e ) { e.printStackTrace(); result = false; } return result;