diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/depend/bcel/AncestorAnalyzer.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/depend/bcel/AncestorAnalyzer.java | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/depend/bcel/AncestorAnalyzer.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/depend/bcel/AncestorAnalyzer.java deleted file mode 100644 index 2bd2a6cf..00000000 --- a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/depend/bcel/AncestorAnalyzer.java +++ /dev/null @@ -1,144 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You 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. - * - */ -package org.apache.tools.ant.util.depend.bcel; -import java.io.File; -import java.io.IOException; -import java.util.Enumeration; -import java.util.Hashtable; -import java.util.Vector; -import org.apache.bcel.classfile.ClassParser; -import org.apache.bcel.classfile.JavaClass; -import org.apache.tools.ant.BuildException; -import org.apache.tools.ant.util.depend.AbstractAnalyzer; - -/** - * A dependency analyzer which returns superclass and superinterface - * dependencies. - * - */ -public class AncestorAnalyzer extends AbstractAnalyzer { - - /** - * Default constructor - * - * Causes the BCEL classes to load to ensure BCEL dependencies can - * be satisfied - */ - public AncestorAnalyzer() { - // force BCEL classes to load now - try { - new ClassParser("force"); - } catch (Exception e) { - // all released versions of BCEL may throw an IOException - // here, but BCEL's trunk does no longer declare to do so - if (!(e instanceof IOException)) { - throw new BuildException(e); - } - // ignore IOException like we've always done - } - } - - /** - * Determine the dependencies of the configured root classes. - * - * @param files a vector to be populated with the files which contain - * the dependency classes - * @param classes a vector to be populated with the names of the - * dependency classes. - */ - protected void determineDependencies(Vector<File> files, Vector<String> classes) { - // we get the root classes and build up a set of - // classes upon which they depend - Hashtable<String, String> dependencies = new Hashtable<String, String>(); - Hashtable<File, File> containers = new Hashtable<File, File>(); - Hashtable<String, String> toAnalyze = new Hashtable<String, String>(); - Hashtable<String, String> nextAnalyze = new Hashtable<String, String>(); - - for (Enumeration<String> e = getRootClasses(); e.hasMoreElements();) { - String classname = e.nextElement(); - toAnalyze.put(classname, classname); - } - - int count = 0; - int maxCount = isClosureRequired() ? MAX_LOOPS : 2; - while (toAnalyze.size() != 0 && count++ < maxCount) { - nextAnalyze.clear(); - for (String classname : toAnalyze.keySet()) { - dependencies.put(classname, classname); - try { - File container = getClassContainer(classname); - if (container == null) { - continue; - } - containers.put(container, container); - - ClassParser parser = null; - if (container.getName().endsWith(".class")) { - parser = new ClassParser(container.getPath()); - } else { - parser = new ClassParser(container.getPath(), - classname.replace('.', '/') + ".class"); - } - - JavaClass javaClass = parser.parse(); - String[] interfaces = javaClass.getInterfaceNames(); - for (int i = 0; i < interfaces.length; ++i) { - String interfaceName = interfaces[i]; - if (!dependencies.containsKey(interfaceName)) { - nextAnalyze.put(interfaceName, interfaceName); - } - } - - if (javaClass.isClass()) { - String superClass = javaClass.getSuperclassName(); - if (!dependencies.containsKey(superClass)) { - nextAnalyze.put(superClass, superClass); - } - } - } catch (IOException ioe) { - // ignore - } - } - - Hashtable<String, String> temp = toAnalyze; - toAnalyze = nextAnalyze; - nextAnalyze = temp; - } - - files.removeAllElements(); - for (File f : containers.keySet()) { - files.add(f); - } - - classes.removeAllElements(); - for (String dependency : dependencies.keySet()) { - classes.add(dependency); - } - } - - /** - * Indicate if this analyzer can determine dependent files. - * - * @return true if the analyzer provides dependency file information. - */ - protected boolean supportsFileDependencies() { - return true; - } - -} - |