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Ant example source code file (MSVSSHISTORY.java)

This example Ant source code file (MSVSSHISTORY.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

briefcodediffnofile, buildexception, buildexception, commandline, commandline, enumeratedattribute, io, msvsshistory, simpledateformat, string, string, style, style_brief, style_codediff, style_nofile, text

The MSVSSHISTORY.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.optional.vss;

import java.io.File;
import java.text.SimpleDateFormat;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.EnumeratedAttribute;

/**
 * Performs History commands to Microsoft Visual SourceSafe.
 *
 * @ant.task name="vsshistory" category="scm"
 */
public class MSVSSHISTORY extends MSVSS {

    /**
     * Builds a command line to execute ss.
     * @return     The constructed commandline.
     */
    Commandline buildCmdLine() {
        Commandline commandLine = new Commandline();

        // first off, make sure that we've got a command and a vssdir and a label ...
        if (getVsspath() == null) {
            String msg = "vsspath attribute must be set!";
            throw new BuildException(msg, getLocation());
        }

        // build the command line from what we got the format is
        // ss History elements [-H] [-L] [-N] [-O] [-V] [-Y] [-#] [-?]
        // as specified in the SS.EXE help
        commandLine.setExecutable(getSSCommand());
        commandLine.createArgument().setValue(COMMAND_HISTORY);

        // VSS items
        commandLine.createArgument().setValue(getVsspath());
        // -I-
        commandLine.createArgument().setValue(FLAG_AUTORESPONSE_DEF);  // ignore all errors
        // -Vd
        commandLine.createArgument().setValue(getVersionDate());
        // -VL
        commandLine.createArgument().setValue(getVersionLabel());
        // -R
        commandLine.createArgument().setValue(getRecursive());
        // -B / -D / -F-
        commandLine.createArgument().setValue(getStyle());
        // -Y
        commandLine.createArgument().setValue(getLogin());
        // -O
        commandLine.createArgument().setValue(getOutput());

        return commandLine;
    }

    /**
     * Retrieve history recursively. Defaults to false.
     *
     * @param recursive  The boolean value for recursive.
     */
    public void setRecursive(boolean recursive) {
        super.setInternalRecursive(recursive);
    }

    /**
     * Name of the user whose change history is generated.
     *
     * @param   user The username.
     */
    public void setUser(String user) {
        super.setInternalUser(user);
    }

    /**
     * Date representing the 'start' of the range.
     *
     * @param   fromDate    The start date.
     */
    public void setFromDate(String fromDate) {
        super.setInternalFromDate(fromDate);
    }

    /**
     * Date representing the 'end' of the range.
     *
     * @param   toDate    The end date.
     */
    public void setToDate(String toDate) {
        super.setInternalToDate(toDate);
    }

    /**
     * Label representing the 'start' of the range.
     *
     * @param   fromLabel    The start label.
     */
    public void setFromLabel(String fromLabel) {
        super.setInternalFromLabel(fromLabel);
    }

    /**
     * Label representing the 'end' of the range.
     *
     * @param   toLabel    The end label.
     */
    public void setToLabel(String toLabel) {
        super.setInternalToLabel(toLabel);
    }

    /**
     * Number of days for comparison.
     * Defaults to 2 days.
     *
     * @param   numd    The number of days.
     */
    public void setNumdays(int numd) {
        super.setInternalNumDays(numd);
    }

    /**
     * Output file name for the history.
     *
     * @param   outfile The output file name.
     */
    public void setOutput(File outfile) {
        if (outfile != null) {
            super.setInternalOutputFilename(outfile.getAbsolutePath());
        }
    }

    /**
     * Format of dates in <code>fromDatetoDate.
     * Used when calculating dates with the numdays attribute.
     * This string uses the formatting rules of <code>SimpleDateFormat.
     * Defaults to <code>DateFormat.SHORT.
     *
     * @param   dateFormat  The date format.
     */
    public void setDateFormat(String dateFormat) {
        super.setInternalDateFormat(new SimpleDateFormat(dateFormat));
    }

   /**
     * Output style. Valid options are:
     * <ul>
     * <li>brief:    -B Display a brief history.
     * <li>codediff: -D Display line-by-line file changes.
     * <li>nofile:   -F- Do not display individual file updates in the project history.
     * <li>default:  No option specified. Display in Source Safe's default format.
     * </ul>
     *
     * @param attr The history style:
     */
    public void setStyle(BriefCodediffNofile attr) {
        String option = attr.getValue();
        if (option.equals(STYLE_BRIEF)) {
            super.setInternalStyle(FLAG_BRIEF);
        } else if (option.equals(STYLE_CODEDIFF)) {
            super.setInternalStyle(FLAG_CODEDIFF);
        } else if (option.equals(STYLE_DEFAULT)) {
            super.setInternalStyle("");
        } else if (option.equals(STYLE_NOFILE)) {
            super.setInternalStyle(FLAG_NO_FILE);
        } else {
            throw new BuildException("Style " + attr + " unknown.", getLocation());
        }
    }

    /**
     * Extention of EnumeratedAttribute to hold the values for style.
     */
    public static class BriefCodediffNofile extends EnumeratedAttribute {
        /**
         * Gets the list of allowable values.
         * @return The values.
         */
        public String[] getValues() {
            return new String[] {STYLE_BRIEF, STYLE_CODEDIFF, STYLE_NOFILE, STYLE_DEFAULT};
        }
    }
}

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