diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSet.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSet.java | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSet.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSet.java new file mode 100644 index 00000000..d4a59145 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/condition/IsSet.java @@ -0,0 +1,51 @@ +/* + * 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; +import org.apache.tools.ant.ProjectComponent; + +/** + * Condition that tests whether a given property has been set. + * + * @since Ant 1.5 + */ +public class IsSet extends ProjectComponent implements Condition { + private String property; + + /** + * Set the property attribute + * + * @param p the property name + */ + public void setProperty(String p) { + property = p; + } + + /** + * @return true if the property exists + * @exception BuildException if the property attribute is not set + */ + public boolean eval() throws BuildException { + if (property == null) { + throw new BuildException("No property specified for isset " + "condition"); + } + return getProject().getProperty(property) != null; + } + +} |