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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/ClassCPInfo.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/ClassCPInfo.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/ClassCPInfo.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/ClassCPInfo.java new file mode 100644 index 00000000..8abbfc82 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/optional/depend/constantpool/ClassCPInfo.java @@ -0,0 +1,93 @@ +/* + * 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.taskdefs.optional.depend.constantpool; + +import java.io.DataInputStream; +import java.io.IOException; + +/** + * The constant pool entry which stores class information. + * + */ +public class ClassCPInfo extends ConstantPoolEntry { + + /** + * The class' name. This will be only valid if the entry has been + * resolved against the constant pool. + */ + private String className; + + /** + * The index into the constant pool where this class' name is stored. If + * the class name is changed, this entry is invalid until this entry is + * connected to a constant pool. + */ + private int index; + + /** + * Constructor. Sets the tag value for this entry to type Class + */ + public ClassCPInfo() { + super(CONSTANT_CLASS, 1); + } + + /** + * Read the entry from a stream. + * + * @param cpStream the stream containing the constant pool entry to be + * read. + * @exception IOException thrown if there is a problem reading the entry + * from the stream. + */ + public void read(DataInputStream cpStream) throws IOException { + index = cpStream.readUnsignedShort(); + className = "unresolved"; + } + + /** + * Generate a string readable version of this entry + * + * @return string representation of this constant pool entry + */ + public String toString() { + return "Class Constant Pool Entry for " + className + "[" + index + "]"; + } + + /** + * Resolve this class info against the given constant pool. + * + * @param constantPool the constant pool with which to resolve the + * class. + */ + public void resolve(ConstantPool constantPool) { + className = ((Utf8CPInfo) constantPool.getEntry(index)).getValue(); + + super.resolve(constantPool); + } + + /** + * Get the class name of this entry. + * + * @return the class' name. + */ + public String getClassName() { + return className; + } + +} + |