| /* |
| * 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.condition; |
| |
| import org.apache.tools.ant.BuildException; |
| |
| /** |
| * Simple comparison condition. |
| * |
| * @since Ant 1.4 |
| */ |
| public class Equals implements Condition { |
| private static final int REQUIRED = 1 | 2; |
| |
| private Object arg1, arg2; |
| private boolean trim = false; |
| private boolean caseSensitive = true; |
| private int args; |
| |
| /** |
| * Set the first argument |
| * @param arg1 the first argument. |
| * @since Ant 1.8 |
| */ |
| public void setArg1(Object arg1) { |
| if (arg1 instanceof String) { |
| setArg1((String) arg1); |
| } else { |
| setArg1Internal(arg1); |
| } |
| } |
| |
| /** |
| * Set the first string |
| * |
| * @param a1 the first string |
| */ |
| public void setArg1(String a1) { |
| setArg1Internal(a1); |
| } |
| |
| private void setArg1Internal(Object arg1) { |
| this.arg1 = arg1; |
| args |= 1; |
| } |
| |
| /** |
| * Set the second argument |
| * @param arg2 the second argument. |
| * @since Ant 1.8 |
| */ |
| public void setArg2(Object arg2) { |
| if (arg2 instanceof String) { |
| setArg2((String) arg2); |
| } else { |
| setArg2Internal(arg2); |
| } |
| } |
| |
| /** |
| * Set the second string |
| * |
| * @param a2 the second string |
| */ |
| public void setArg2(String a2) { |
| setArg2Internal(a2); |
| } |
| |
| private void setArg2Internal(Object arg2) { |
| this.arg2 = arg2; |
| args |= 2; |
| } |
| |
| /** |
| * Should we want to trim the arguments before comparing them? |
| * @param b if true trim the arguments |
| * @since Ant 1.5 |
| */ |
| public void setTrim(boolean b) { |
| trim = b; |
| } |
| |
| /** |
| * Should the comparison be case sensitive? |
| * @param b if true use a case sensitive comparison (this is the |
| * default) |
| * @since Ant 1.5 |
| */ |
| public void setCasesensitive(boolean b) { |
| caseSensitive = b; |
| } |
| |
| /** |
| * @return true if the two strings are equal |
| * @exception BuildException if the attributes are not set correctly |
| */ |
| public boolean eval() throws BuildException { |
| if ((args & REQUIRED) != REQUIRED) { |
| throw new BuildException("both arg1 and arg2 are required in equals"); |
| } |
| |
| if (arg1 instanceof String && trim) { |
| arg1 = ((String) arg1).trim(); |
| } |
| if (arg2 instanceof String && trim) { |
| arg2 = ((String) arg2).trim(); |
| } |
| if (arg1 instanceof String && arg2 instanceof String) { |
| String s1 = (String) arg1; |
| String s2 = (String) arg2; |
| return caseSensitive ? s1.equals(s2) : s1.equalsIgnoreCase(s2); |
| } |
| return arg1 == arg2 || arg1 != null && arg1.equals(arg2); |
| } |
| } |