Ant example source code file (MatchingTask.java)

This example Ant source code file (MatchingTask.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

fileset, fileset, io, matchingtask, patternset, please, please, selectorcontainer, string, stringtokenizer, stringtokenizer, task, the, the, util, xsetignore

The MatchingTask.java source code

/*
 *  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 java.util.Enumeration;
import java.util.StringTokenizer;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.PatternSet;
import org.apache.tools.ant.types.selectors.AndSelector;
import org.apache.tools.ant.types.selectors.ContainsRegexpSelector;
import org.apache.tools.ant.types.selectors.ContainsSelector;
import org.apache.tools.ant.types.selectors.DateSelector;
import org.apache.tools.ant.types.selectors.DependSelector;
import org.apache.tools.ant.types.selectors.DepthSelector;
import org.apache.tools.ant.types.selectors.DifferentSelector;
import org.apache.tools.ant.types.selectors.ExtendSelector;
import org.apache.tools.ant.types.selectors.FileSelector;
import org.apache.tools.ant.types.selectors.FilenameSelector;
import org.apache.tools.ant.types.selectors.MajoritySelector;
import org.apache.tools.ant.types.selectors.NoneSelector;
import org.apache.tools.ant.types.selectors.NotSelector;
import org.apache.tools.ant.types.selectors.OrSelector;
import org.apache.tools.ant.types.selectors.PresentSelector;
import org.apache.tools.ant.types.selectors.SelectSelector;
import org.apache.tools.ant.types.selectors.SelectorContainer;
import org.apache.tools.ant.types.selectors.SizeSelector;
import org.apache.tools.ant.types.selectors.TypeSelector;
import org.apache.tools.ant.types.selectors.modifiedselector.ModifiedSelector;

/**
 * This is an abstract task that should be used by all those tasks that
 * require to include or exclude files based on pattern matching.
 *
 * @since Ant 1.1
 */

public abstract class MatchingTask extends Task implements SelectorContainer {

    // CheckStyle:VisibilityModifier OFF - bc
    protected FileSet fileset = new FileSet();
    // CheckStyle:VisibilityModifier ON

    /** {@inheritDoc}. */
    public void setProject(Project project) {
        super.setProject(project);
        fileset.setProject(project);
    }

    /**
     * add a name entry on the include list
     * @return a NameEntry object to be configured
     */
    public PatternSet.NameEntry createInclude() {
        return fileset.createInclude();
    }

    /**
     * add a name entry on the include files list
     * @return an NameEntry object to be configured
     */
    public PatternSet.NameEntry createIncludesFile() {
        return fileset.createIncludesFile();
    }

    /**
     * add a name entry on the exclude list
     * @return an NameEntry object to be configured
     */
    public PatternSet.NameEntry createExclude() {
        return fileset.createExclude();
    }

    /**
     * add a name entry on the include files list
     * @return an NameEntry object to be configured
     */
    public PatternSet.NameEntry createExcludesFile() {
        return fileset.createExcludesFile();
    }

    /**
     * add a set of patterns
     * @return PatternSet object to be configured
     */
    public PatternSet createPatternSet() {
        return fileset.createPatternSet();
    }

    /**
     * Sets the set of include patterns. Patterns may be separated by a comma
     * or a space.
     *
     * @param includes the string containing the include patterns
     */
    public void setIncludes(String includes) {
        fileset.setIncludes(includes);
    }

    // CheckStyle:MethodNameCheck OFF - bc
    /**
     * Set this to be the items in the base directory that you want to be
     * included. You can also specify "*" for the items (ie: items="*")
     * and it will include all the items in the base directory.
     *
     * @param itemString the string containing the files to include.
     */
    public void XsetItems(String itemString) {
        log("The items attribute is deprecated. "
            + "Please use the includes attribute.", Project.MSG_WARN);
        if (itemString == null || itemString.equals("*")
            || itemString.equals(".")) {
            createInclude().setName("**");
        } else {
            StringTokenizer tok = new StringTokenizer(itemString, ", ");
            while (tok.hasMoreTokens()) {
                String pattern = tok.nextToken().trim();
                if (pattern.length() > 0) {
                    createInclude().setName(pattern + "/**");
                }
            }
        }
    }

    /**
     * Sets the set of exclude patterns. Patterns may be separated by a comma
     * or a space.
     *
     * @param excludes the string containing the exclude patterns
     */
    public void setExcludes(String excludes) {
        fileset.setExcludes(excludes);
    }

    /**
     * List of filenames and directory names to not include. They should be
     * either , or " " (space) separated. The ignored files will be logged.
     *
     * @param ignoreString the string containing the files to ignore.
     */
    public void XsetIgnore(String ignoreString) {
        log("The ignore attribute is deprecated."
            + "Please use the excludes attribute.", Project.MSG_WARN);
        if (ignoreString != null && ignoreString.length() > 0) {
            StringTokenizer tok = new StringTokenizer(ignoreString, ", ",
                                                      false);
            while (tok.hasMoreTokens()) {
                createExclude().setName("**/" + tok.nextToken().trim() + "/**");
            }
        }
    }

    // CheckStyle:VisibilityModifier ON

    /**
     * Sets whether default exclusions should be used or not.
     *
     * @param useDefaultExcludes "true"|"on"|"yes" when default exclusions
     *                           should be used, "false"|"off"|"no" when they
     *                           shouldn't be used.
     */
    public void setDefaultexcludes(boolean useDefaultExcludes) {
        fileset.setDefaultexcludes(useDefaultExcludes);
    }

    /**
     * Returns the directory scanner needed to access the files to process.
     * @param baseDir the base directory to use with the fileset
     * @return a directory scanner
     */
    protected DirectoryScanner getDirectoryScanner(File baseDir) {
        fileset.setDir(baseDir);
        return fileset.getDirectoryScanner(getProject());
    }

    /**
     * Sets the name of the file containing the includes patterns.
     *
     * @param includesfile A string containing the filename to fetch
     * the include patterns from.
     */
    public void setIncludesfile(File includesfile) {
        fileset.setIncludesfile(includesfile);
    }

    /**
     * Sets the name of the file containing the includes patterns.
     *
     * @param excludesfile A string containing the filename to fetch
     * the include patterns from.
     */
    public void setExcludesfile(File excludesfile) {
        fileset.setExcludesfile(excludesfile);
    }

    /**
     * Sets case sensitivity of the file system
     *
     * @param isCaseSensitive "true"|"on"|"yes" if file system is case
     *                           sensitive, "false"|"off"|"no" when not.
     */
    public void setCaseSensitive(boolean isCaseSensitive) {
        fileset.setCaseSensitive(isCaseSensitive);
    }

    /**
     * Sets whether or not symbolic links should be followed.
     *
     * @param followSymlinks whether or not symbolic links should be followed
     */
    public void setFollowSymlinks(boolean followSymlinks) {
        fileset.setFollowSymlinks(followSymlinks);
    }

    /**
     * Indicates whether there are any selectors here.
     *
     * @return whether any selectors are in this container
     */
    public boolean hasSelectors() {
        return fileset.hasSelectors();
    }

    /**
     * Gives the count of the number of selectors in this container
     *
     * @return the number of selectors in this container
     */
    public int selectorCount() {
        return fileset.selectorCount();
    }

    /**
     * Returns the set of selectors as an array.
     * @param p the current project
     * @return an array of selectors in this container
     */
    public FileSelector[] getSelectors(Project p) {
        return fileset.getSelectors(p);
    }

    /**
     * Returns an enumerator for accessing the set of selectors.
     *
     * @return an enumerator that goes through each of the selectors
     */
    public Enumeration selectorElements() {
        return fileset.selectorElements();
    }

    /**
     * Add a new selector into this container.
     *
     * @param selector the new selector to add
     */
    public void appendSelector(FileSelector selector) {
        fileset.appendSelector(selector);
    }

    /* Methods below all add specific selectors */

    /**
     * add a "Select" selector entry on the selector list
     * @param selector the selector to add
     */
    public void addSelector(SelectSelector selector) {
        fileset.addSelector(selector);
    }

    /**
     * add an "And" selector entry on the selector list
     * @param selector the selector to add
     */
    public void addAnd(AndSelector selector) {
        fileset.addAnd(selector);
    }

    /**
     * add an "Or" selector entry on the selector list
     * @param selector the selector to add
     */
    public void addOr(OrSelector selector) {
        fileset.addOr(selector);
    }

    /**
     * add a "Not" selector entry on the selector list
     * @param selector the selector to add
     */
    public void addNot(NotSelector selector) {
        fileset.addNot(selector);
    }

    /**
     * add a "None" selector entry on the selector list
     * @param selector the selector to add
     */
    public void addNone(NoneSelector selector) {
        fileset.addNone(selector);
    }

    /**
     * add a majority selector entry on the selector list
     * @param selector the selector to add
     */
    public void addMajority(MajoritySelector selector) {
        fileset.addMajority(selector);
    }

    /**
     * add a selector date entry on the selector list
     * @param selector the selector to add
     */
    public void addDate(DateSelector selector) {
        fileset.addDate(selector);
    }

    /**
     * add a selector size entry on the selector list
     * @param selector the selector to add
     */
    public void addSize(SizeSelector selector) {
        fileset.addSize(selector);
    }

    /**
     * add a selector filename entry on the selector list
     * @param selector the selector to add
     */
    public void addFilename(FilenameSelector selector) {
        fileset.addFilename(selector);
    }

    /**
     * add an extended selector entry on the selector list
     * @param selector the selector to add
     */
    public void addCustom(ExtendSelector selector) {
        fileset.addCustom(selector);
    }

    /**
     * add a contains selector entry on the selector list
     * @param selector the selector to add
     */
    public void addContains(ContainsSelector selector) {
        fileset.addContains(selector);
    }

    /**
     * add a present selector entry on the selector list
     * @param selector the selector to add
     */
    public void addPresent(PresentSelector selector) {
        fileset.addPresent(selector);
    }

    /**
     * add a depth selector entry on the selector list
     * @param selector the selector to add
     */
    public void addDepth(DepthSelector selector) {
        fileset.addDepth(selector);
    }

    /**
     * add a depends selector entry on the selector list
     * @param selector the selector to add
     */
    public void addDepend(DependSelector selector) {
        fileset.addDepend(selector);
    }

    /**
     * add a regular expression selector entry on the selector list
     * @param selector the selector to add
     */
    public void addContainsRegexp(ContainsRegexpSelector selector) {
        fileset.addContainsRegexp(selector);
    }

    /**
     * add a type selector entry on the type list
     * @param selector the selector to add
     * @since ant 1.6
     */
    public void addDifferent(DifferentSelector selector) {
        fileset.addDifferent(selector);
    }

    /**
     * add a type selector entry on the type list
     * @param selector the selector to add
     * @since ant 1.6
     */
    public void addType(TypeSelector selector) {
        fileset.addType(selector);
    }

    /**
     * add the modified selector
     * @param selector the selector to add
     * @since ant 1.6
     */
    public void addModified(ModifiedSelector selector) {
        fileset.addModified(selector);
    }

    /**
     * add an arbitary selector
     * @param selector the selector to add
     * @since Ant 1.6
     */
    public void add(FileSelector selector) {
        fileset.add(selector);
    }

    /**
     * Accessor for the implicit fileset.
     * @return the implicit fileset
     * @since Ant 1.5.2
     */
    protected final FileSet getImplicitFileSet() {
        return fileset;
    }
}