diff options
Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/attribute/IfBlankAttribute.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/attribute/IfBlankAttribute.java | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/attribute/IfBlankAttribute.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/attribute/IfBlankAttribute.java new file mode 100644 index 00000000..384476c8 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/attribute/IfBlankAttribute.java @@ -0,0 +1,39 @@ +/* + * 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.attribute; + +import org.apache.tools.ant.UnknownElement; + +/** + * Check if an attribute is blank or not. + * @since Ant 1.9.1 + */ +public class IfBlankAttribute extends BaseIfAttribute { + /** The unless version */ + public static class Unless extends IfBlankAttribute { + { setPositive(false); } + } + /** + * check if the attribute value is blank or not + * {@inheritDoc} + */ + public boolean isEnabled(UnknownElement el, String value) { + return convertResult((value == null || "".equals(value))); + } +} |