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/* |
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* The Apache Software License, Version 1.1 |
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* |
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* Copyright (c) 2002-2003 The Apache Software Foundation. All rights |
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* reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, if |
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* any, must include the following acknowlegement: |
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* "This product includes software developed by the |
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* Apache Software Foundation (http://www.apache.org/)." |
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* Alternately, this acknowlegement may appear in the software itself, |
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* if and wherever such third-party acknowlegements normally appear. |
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* |
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* 4. The names "Ant" and "Apache Software |
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* Foundation" must not be used to endorse or promote products derived |
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* from this software without prior written permission. For written |
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* permission, please contact apache@apache.org. |
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* |
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* 5. Products derived from this software may not be called "Apache" |
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* nor may "Apache" appear in their names without prior written |
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* permission of the Apache Group. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of the Apache Software Foundation. For more |
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* information on the Apache Software Foundation, please see |
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* <http://www.apache.org/>. |
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*/ |
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package org.apache.tools.ant.types.selectors; |
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import java.io.BufferedReader; |
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import java.io.File; |
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import java.io.IOException; |
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import org.apache.tools.ant.types.EnumeratedAttribute; |
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import org.apache.tools.ant.BuildException; |
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import org.apache.tools.ant.Project; |
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import org.apache.tools.ant.types.Parameter; |
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/** |
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* Selector that selects a certain kind of file: directory or regular. |
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* |
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* @author <a href="mailto:jefft@apache.org">Jeff Turner</a> |
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* @since 1.6 |
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*/ |
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public class TypeSelector extends BaseExtendSelector { |
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private String type = null; |
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public final static String TYPE_KEY = "type"; |
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public TypeSelector() { |
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} |
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public String toString() { |
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StringBuffer buf = new StringBuffer("{typeselector type: "); |
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buf.append(type); |
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buf.append("}"); |
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return buf.toString(); |
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} |
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/** |
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* Set the type of file to require. |
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*/ |
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public void setType(FileType fileTypes) { |
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this.type = fileTypes.getValue(); |
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} |
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/** |
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* When using this as a custom selector, this method will be called. |
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* It translates each parameter into the appropriate setXXX() call. |
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* |
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* @param parameters the complete set of parameters for this selector |
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*/ |
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public void setParameters(Parameter[] parameters) { |
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super.setParameters(parameters); |
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if (parameters != null) { |
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for (int i = 0; i < parameters.length; i++) { |
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String paramname = parameters[i].getName(); |
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if (TYPE_KEY.equalsIgnoreCase(paramname)) { |
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FileType type = new FileType(); |
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type.setValue(parameters[i].getValue()); |
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setType(type); |
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} |
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else { |
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setError("Invalid parameter " + paramname); |
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} |
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} |
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} |
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} |
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/** |
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* Checks to make sure all settings are kosher. In this case, it |
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* means that the pattern attribute has been set. |
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* |
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*/ |
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public void verifySettings() { |
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if (type == null) { |
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setError("The type attribute is required"); |
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} |
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} |
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/** |
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* The heart of the matter. This is where the selector gets to decide |
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* on the inclusion of a file in a particular fileset. |
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* |
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* @param basedir the base directory the scan is being done from |
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* @param filename is the name of the file to check |
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* @param file is a java.io.File object the selector can use |
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* @return whether the file should be selected or not |
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*/ |
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public boolean isSelected(File basedir, String filename, File file) { |
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// throw BuildException on error |
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validate(); |
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if (file.isDirectory()) { |
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return type.equals(FileType.DIR); |
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} else return type.equals(FileType.FILE); |
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} |
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/** |
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* Enumerated attribute with the values for types of file |
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*/ |
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public static class FileType extends EnumeratedAttribute { |
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public static final String FILE="file"; |
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public static final String DIR="dir"; |
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public String[] getValues() { |
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return new String[] {FILE, DIR}; |
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} |
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} |
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} |