diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/optional/depend/ClassfileSet.java')
| -rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/optional/depend/ClassfileSet.java | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/optional/depend/ClassfileSet.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/optional/depend/ClassfileSet.java new file mode 100644 index 00000000..f2fe69b1 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/optional/depend/ClassfileSet.java @@ -0,0 +1,183 @@ +/* + * 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.types.optional.depend; + +import java.util.ArrayList; +import java.util.List; +import java.util.Stack; +import java.util.Vector; + +import org.apache.tools.ant.DirectoryScanner; +import org.apache.tools.ant.Project; +import org.apache.tools.ant.types.FileSet; +import org.apache.tools.ant.util.StringUtils; + +/** + * A ClassfileSet is a FileSet that enlists all classes that depend on a + * certain set of root classes. + * + * ClassfileSet extends FileSet, its inherited properties + * defining the domain searched for dependent classes. + * + */ +public class ClassfileSet extends FileSet { + /** + * The list of root classes for this class file set. These are the + * classes which must be included in the fileset and which are the + * starting point for the dependency search. + */ + private List<String> rootClasses = new ArrayList<String>(); + + /** + * The list of filesets which contain root classes. + */ + private List<FileSet> rootFileSets = new ArrayList<FileSet>(); + + /** + * Inner class used to contain info about root classes. + */ + public static class ClassRoot { + /** The name of the root class */ + private String rootClass; + + /** + * Set the root class name. + * + * @param name the name of the root class. + */ + public void setClassname(String name) { + this.rootClass = name; + } + + /** + * Get the name of the root class. + * + * @return the name of the root class. + */ + public String getClassname() { + return rootClass; + } + } + + /** + * Default constructor. + */ + public ClassfileSet() { + } + + /** + * Add a fileset to which contains a collection of root classes used to + * drive the search from classes. + * + * @param rootFileSet a root file set to be used to search for dependent + * classes. + */ + public void addRootFileset(FileSet rootFileSet) { + rootFileSets.add(rootFileSet); + setChecked(false); + } + + /** + * Create a ClassfileSet from another ClassfileSet. + * + * @param s the other classfileset. + */ + protected ClassfileSet(ClassfileSet s) { + super(s); + rootClasses.addAll(s.rootClasses); + } + + /** + * Set the root class attribute. + * + * @param rootClass the name of the root class. + */ + public void setRootClass(String rootClass) { + rootClasses.add(rootClass); + } + + /** + * Return the DirectoryScanner associated with this FileSet. + * + * @param p the project used to resolve dirs, etc. + * + * @return a dependency scanner. + */ + public DirectoryScanner getDirectoryScanner(Project p) { + if (isReference()) { + return getRef(p).getDirectoryScanner(p); + } + dieOnCircularReference(p); + DirectoryScanner parentScanner = super.getDirectoryScanner(p); + DependScanner scanner = new DependScanner(parentScanner); + final Vector<String> allRootClasses = new Vector<String>(rootClasses); + for (FileSet additionalRootSet : rootFileSets) { + DirectoryScanner additionalScanner + = additionalRootSet.getDirectoryScanner(p); + String[] files = additionalScanner.getIncludedFiles(); + for (int i = 0; i < files.length; ++i) { + if (files[i].endsWith(".class")) { + String classFilePath = StringUtils.removeSuffix(files[i], ".class"); + String className + = classFilePath.replace('/', '.').replace('\\', '.'); + allRootClasses.addElement(className); + } + } + scanner.addBasedir(additionalRootSet.getDir(p)); + } + scanner.setBasedir(getDir(p)); + scanner.setRootClasses(allRootClasses); + scanner.scan(); + return scanner; + } + + /** + * Add a nested root class definition to this class file set. + * + * @param root the configured class root. + */ + public void addConfiguredRoot(ClassRoot root) { + rootClasses.add(root.getClassname()); + } + + /** + * Clone this data type. + * + * @return a clone of the class file set. + */ + public Object clone() { + return new ClassfileSet(isReference() + ? (ClassfileSet) (getRef(getProject())) : this); + } + + protected synchronized void dieOnCircularReference(Stack<Object> stk, Project p) { + if (isChecked()) { + return; + } + + // takes care of nested selectors + super.dieOnCircularReference(stk, p); + + if (!isReference()) { + for (FileSet additionalRootSet : rootFileSets) { + pushAndInvokeCircularReferenceCheck(additionalRootSet, stk, p); + } + setChecked(true); + } + } +} |