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Diffstat (limited to 'framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TypeSelector.java')
-rw-r--r-- | framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TypeSelector.java | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TypeSelector.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TypeSelector.java new file mode 100644 index 00000000..fd3684d6 --- /dev/null +++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/types/selectors/TypeSelector.java @@ -0,0 +1,135 @@ +/* + * 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.types.selectors; + +import java.io.File; + +import org.apache.tools.ant.types.EnumeratedAttribute; +import org.apache.tools.ant.types.Parameter; + +/** + * Selector that selects a certain kind of file: directory or regular. + * + * @since 1.6 + */ +public class TypeSelector extends BaseExtendSelector { + + private String type = null; + + /** Key to used for parameterized custom selector */ + public static final String TYPE_KEY = "type"; + + /** + * Creates a new <code>TypeSelector</code> instance. + * + */ + public TypeSelector() { + } + + /** + * @return a string describing this object + */ + public String toString() { + StringBuilder buf = new StringBuilder("{typeselector type: "); + buf.append(type); + buf.append("}"); + return buf.toString(); + } + + /** + * Set the type of file to require. + * @param fileTypes the type of file - file or dir + */ + public void setType(FileType fileTypes) { + this.type = fileTypes.getValue(); + } + + /** + * When using this as a custom selector, this method will be called. + * It translates each parameter into the appropriate setXXX() call. + * + * @param parameters the complete set of parameters for this selector + */ + public void setParameters(Parameter[] parameters) { + super.setParameters(parameters); + if (parameters != null) { + for (int i = 0; i < parameters.length; i++) { + String paramname = parameters[i].getName(); + if (TYPE_KEY.equalsIgnoreCase(paramname)) { + FileType t = new FileType(); + t.setValue(parameters[i].getValue()); + setType(t); + } else { + setError("Invalid parameter " + paramname); + } + } + } + } + + /** + * Checks to make sure all settings are kosher. In this case, it + * means that the pattern attribute has been set. + * + */ + public void verifySettings() { + if (type == null) { + setError("The type attribute is required"); + } + } + + /** + * The heart of the matter. This is where the selector gets to decide + * on the inclusion of a file in a particular fileset. + * + * @param basedir the base directory the scan is being done from + * @param filename is the name of the file to check + * @param file is a java.io.File object the selector can use + * @return whether the file should be selected or not + */ + public boolean isSelected(File basedir, String filename, File file) { + + // throw BuildException on error + validate(); + + if (file.isDirectory()) { + return type.equals(FileType.DIR); + } else { + return type.equals(FileType.FILE); + } + } + + /** + * Enumerated attribute with the values for types of file + */ + public static class FileType extends EnumeratedAttribute { + /** the string value for file */ + public static final String FILE = "file"; + /** the string value for dir */ + public static final String DIR = "dir"; + + /** + * @return the values as an array of strings + */ + public String[] getValues() { + return new String[]{FILE, DIR}; + } + } + + +} |