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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/Basename.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/Basename.java | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/Basename.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/Basename.java new file mode 100644 index 00000000..0415af70 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/Basename.java @@ -0,0 +1,110 @@ +/* + * 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; + +import java.io.File; + +import org.apache.tools.ant.BuildException; +import org.apache.tools.ant.Task; + +/** + * Sets a property to the base name of a specified file, optionally minus a + * suffix. + * + * This task can accept the following attributes: + * <ul> + * <li>file + * <li>property + * <li>suffix + * </ul> + * The <b>file</b> and <b>property</b> attributes are required. The + * <b>suffix</b> attribute can be specified either with or without + * the ".", and the result will be the same (ie., the + * returned file name will be minus the .suffix). + * <p> + * When this task executes, it will set the specified property to the + * value of the last element in the specified file. If file is a + * directory, the basename will be the last directory element. If file + * is a full-path filename, the basename will be the simple file name. + * If a suffix is specified, and the specified file ends in that suffix, + * the basename will be the simple file name without the suffix. + * + * + * @since Ant 1.5 + * + * @ant.task category="property" + */ + +public class Basename extends Task { + private File file; + private String property; + private String suffix; + + /** + * file or directory to get base name from + * @param file file or directory to get base name from + */ + public void setFile(File file) { + this.file = file; + } + + /** + * Property to set base name to. + * @param property name of property + */ + public void setProperty(String property) { + this.property = property; + } + + /** + * Optional suffix to remove from base name. + * @param suffix suffix to remove from base name + */ + public void setSuffix(String suffix) { + this.suffix = suffix; + } + + /** + * do the work + * @throws BuildException if required attributes are not supplied + * property and attribute are required attributes + */ + public void execute() throws BuildException { + if (property == null) { + throw new BuildException("property attribute required", getLocation()); + } + if (file == null) { + throw new BuildException("file attribute required", getLocation()); + } + String value = file.getName(); + if (suffix != null && value.endsWith(suffix)) { + // if the suffix does not starts with a '.' and the + // char preceding the suffix is a '.', we assume the user + // wants to remove the '.' as well (see docs) + int pos = value.length() - suffix.length(); + if (pos > 0 && suffix.charAt(0) != '.' + && value.charAt(pos - 1) == '.') { + pos--; + } + value = value.substring(0, pos); + } + getProject().setNewProperty(property, value); + } +} + |