/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2003-2007 University of Maryland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.anttask;

import java.io.File;

import org.apache.tools.ant.BuildException;

/**
 * Ant task to invoke the FilterBugs program in the workflow package (a.k.a. the
 * filterBugs script.)
 * 
 * @author David Hovemeyer
 */
public class FilterBugsTask extends AbstractFindBugsTask {

    private File outputFile;

    private String applySuppression;

    private String notAProblem;

    private String not;

    private String withSource;

    private String exclude;

    private String include;

    private String annotation;

    private String after;

    private String before;

    private String first;

    private String last;

    private String fixed;

    private String present;

    private String absent;

    private String active;

    private String introducedByChange;

    private String removedByChange;

    private String newCode;

    private String removedCode;

    private String priority;

    private String maxRank;

    private String clazz;

    private String bugPattern;

    private String category;

    private String designation;

    private String withMessages;

    private String excludeBugs;

    private DataFile inputFile;

    public FilterBugsTask() {
        super("edu.umd.cs.findbugs.workflow.Filter");

        setFailOnError(true);
    }

    public DataFile createDataFile() {
        if (inputFile != null) {
            throw new BuildException("only one dataFile element is allowed", getLocation());
        }
        inputFile = new DataFile();
        return inputFile;
    }

    public void setOutput(File output) {
        this.outputFile = output;
    }

    public void setOutputFile(File output) {
        this.outputFile = output;
    }

    public void setInput(String input) {
        this.inputFile = new DataFile();
        this.inputFile.name = input;
    }

    public void setInputFile(String input) {
        this.inputFile = new DataFile();
        this.inputFile.name = input;
    }

    public void setNot(String arg) {
        this.not = arg;
    }

    public void setNotAProblem(String arg) {
        this.notAProblem = arg;
    }

    public void setWithSource(String arg) {
        this.withSource = arg;
    }

    public void setExclude(String arg) {
        this.exclude = arg;
    }

    public void setApplySuppression(String arg) {
        this.applySuppression = arg;
    }

    public void setInclude(String arg) {
        this.include = arg;
    }

    public void setAnnotation(String arg) {
        this.annotation = arg;
    }

    public void setAfter(String arg) {
        this.after = arg;
    }

    public void setBefore(String arg) {
        this.before = arg;
    }

    public void setFirst(String arg) {
        this.first = arg;
    }

    public void setLast(String arg) {
        this.last = arg;
    }

    public void setFixed(String arg) {
        this.fixed = arg;
    }

    public void setPresent(String arg) {
        this.present = arg;
    }

    public void setAbsent(String arg) {
        this.absent = arg;
    }

    public void setActive(String arg) {
        this.active = arg;
    }

    public void setIntroducedByChange(String arg) {
        this.introducedByChange = arg;
    }

    public void setRemovedByChange(String arg) {
        this.removedByChange = arg;
    }

    public void setNewCode(String arg) {
        this.newCode = arg;
    }

    public void setRemovedCode(String arg) {
        this.removedCode = arg;
    }

    public void setPriority(String arg) {
        this.priority = arg;
    }

    public void setMaxRank(String arg) {
        this.maxRank = arg;
    }

    public void setClass(String arg) {
        this.clazz = arg;
    }

    public void setBugPattern(String arg) {
        this.bugPattern = arg;
    }

    public void setCategory(String arg) {
        this.category = arg;
    }

    public void setDesignation(String arg) {
        this.designation = arg;
    }

    public void setWithMessages(String arg) {
        this.withMessages = arg;
    }

    public void setExcludeBugs(String arg) {
        this.excludeBugs = arg;
    }

    private void checkBoolean(String attrVal, String attrName) {
        if (attrVal == null) {
            return;
        }
        attrVal = attrVal.toLowerCase();
        if (!attrVal.equals("true") && !attrVal.equals("false")) {
            throw new BuildException("attribute " + attrName + " requires boolean value", getLocation());
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see edu.umd.cs.findbugs.anttask.AbstractFindBugsTask#checkParameters()
     */
    @Override
    protected void checkParameters() {
        super.checkParameters();

        if (outputFile == null) {
            throw new BuildException("output attribute is required", getLocation());
        }

        if (inputFile == null) {
            throw new BuildException("inputFile element is required");
        }

        checkBoolean(notAProblem, "notAProblem");
        checkBoolean(withSource, "withSource");
        checkBoolean(applySuppression, "applySuppression");
        checkBoolean(active, "active");
        checkBoolean(introducedByChange, "introducedByChange");
        checkBoolean(removedByChange, "removedByChange");
        checkBoolean(newCode, "newCode");
        checkBoolean(removedCode, "removedCode");
        checkBoolean(withMessages, "withMessages");
    }

    private void addOption(String name, String value) {
        if (value != null) {
            addArg(name);
            addArg(value);
        }
    }

    public void addBoolOption(String option, String value) {
        if (value != null) {
            addArg(option + ":" + value);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * edu.umd.cs.findbugs.anttask.AbstractFindBugsTask#configureFindbugsEngine
     * ()
     */
    @Override
    protected void configureFindbugsEngine() {
        if (not != null) {
            addArg("-not");
        }
        addBoolOption("-notAProblem", notAProblem);
        addBoolOption("-withSource", withSource);
        addOption("-exclude", exclude);
        addOption("-include", include);
        addOption("-annotation", annotation);
        addOption("-after", after);
        addOption("-before", before);
        addOption("-first", first);
        addOption("-last", last);
        addOption("-fixed", fixed);
        addOption("-present", present);
        addOption("-absent", absent);
        addBoolOption("-active", active);
        addBoolOption("-introducedByChange", introducedByChange);
        addBoolOption("-removedByChange", removedByChange);
        addBoolOption("-newCode", newCode);
        addBoolOption("-removedCode", removedCode);
        addOption("-priority", priority);
        addOption("-maxRank", maxRank);
        addOption("-class", clazz);
        addOption("-bugPattern", bugPattern);
        addOption("-category", category);
        addOption("-designation", designation);
        addBoolOption("-withMessages", withMessages);
        addBoolOption("-applySuppression", applySuppression);
        if (excludeBugs != null) {
            addArg("-excludeBugs");
            addArg(excludeBugs);
        }

        addArg(inputFile.getName());

        addArg(outputFile.getPath());
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * edu.umd.cs.findbugs.anttask.AbstractFindBugsTask#beforeExecuteJavaProcess
     * ()
     */
    @Override
    protected void beforeExecuteJavaProcess() {
        log("running filterBugs...");
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * edu.umd.cs.findbugs.anttask.AbstractFindBugsTask#afterExecuteJavaProcess
     * (int)
     */
    @Override
    protected void afterExecuteJavaProcess(int rc) {
        if (rc != 0) {
            throw new BuildException("execution of " + getTaskName() + " failed");
        }
    }

}