NIHVIVO-2774 add a static analysis utility that will allow us to look for unused JARs in the distribution.

utilities/buildutils/src/com/tonicsystems/jarjar/KlugedDepFind.java

@@ -0,0 +1,93 @@
+/**
+ * Copyright 2007 Google Inc.
+ *
+ * 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.
+ */
+
+/** 
+ * This class is created to work around a known bug in JarJar which did not get fixed in release 1.1.
+ * See the comments in edu.cornell.mannlib.vitro.utilities.jarlist.JarLister
+ */
+
+package com.tonicsystems.jarjar;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.tonicsystems.jarjar.asm.ClassReader;
+import com.tonicsystems.jarjar.ext_util.ClassHeaderReader;
+import com.tonicsystems.jarjar.ext_util.ClassPathEntry;
+import com.tonicsystems.jarjar.ext_util.ClassPathIterator;
+import com.tonicsystems.jarjar.ext_util.RuntimeIOException;
+
+public class KlugedDepFind {
+	private File curDir = new File(System.getProperty("user.dir"));
+
+	public void setCurrentDirectory(File curDir) {
+		this.curDir = curDir;
+	}
+
+	public void run(String from, String to, DepHandler handler)
+			throws IOException {
+		try {
+			ClassHeaderReader header = new ClassHeaderReader();
+			Map<String, String> classes = new HashMap<String, String>();
+			ClassPathIterator cp = new ClassPathIterator(curDir, to, null);
+			try {
+				while (cp.hasNext()) {
+					ClassPathEntry entry = cp.next();
+					InputStream in = entry.openStream();
+					try {
+						header.read(in);
+						classes.put(header.getClassName(), entry.getSource());
+					} catch (Exception e) {
+						System.err.println("Error reading " + entry.getName()
+								+ ": " + e.getMessage());
+					} finally {
+						in.close();
+					}
+				}
+			} finally {
+				cp.close();
+			}
+
+			handler.handleStart();
+			cp = new ClassPathIterator(curDir, from, null);
+			try {
+				while (cp.hasNext()) {
+					ClassPathEntry entry = cp.next();
+					InputStream in = entry.openStream();
+					try {
+						new ClassReader(in).accept(new DepFindVisitor(classes,
+								entry.getSource(), handler),
+								ClassReader.SKIP_DEBUG
+										| ClassReader.EXPAND_FRAMES);
+					} catch (Exception e) {
+						System.err.println("Error reading " + entry.getName()
+								+ ": " + e.getMessage());
+					} finally {
+						in.close();
+					}
+				}
+			} finally {
+				cp.close();
+			}
+			handler.handleEnd();
+		} catch (RuntimeIOException e) {
+			throw (IOException) e.getCause();
+		}
+	}
+}