/*
 * Copyright  2001-2004 The Apache Software Foundation
 *
 *  Licensed 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.condition;

import java.util.Enumeration;
import java.util.Vector;
import org.apache.tools.ant.ProjectComponent;
import org.apache.tools.ant.taskdefs.Available;
import org.apache.tools.ant.taskdefs.Checksum;
import org.apache.tools.ant.taskdefs.UpToDate;

/**
 * Baseclass for the <condition> task as well as several
 * conditions - ensures that the types of conditions inside the task
 * and the "container" conditions are in sync.
 *
 * @since Ant 1.4
 * @version $Revision: 1.22.2.4 $
 */
public abstract class ConditionBase extends ProjectComponent {
    private Vector conditions = new Vector();

    /**
     * Count the conditions.
     *
     * @return the number of conditions in the container
     * @since 1.1
     */
    protected int countConditions() {
        return conditions.size();
    }

    /**
     * Iterate through all conditions.
     *
     * @return an enumeration to use for iteration
     * @since 1.1
     */
    protected final Enumeration getConditions() {
        return conditions.elements();
    }

    /**
     * Add an <available> condition.
     * @param a an available condition
     * @since 1.1
     */
    public void addAvailable(Available a) {
        conditions.addElement(a);
    }

    /**
     * Add an <checksum> condition.
     *
     * @param c a Checksum condition
     * @since 1.4, Ant 1.5
     */
    public void addChecksum(Checksum c) {
        conditions.addElement(c);
    }

    /**
     * Add an <uptodate> condition.
     *
     * @param u an UpToDate condition
     * @since 1.1
     */
    public void addUptodate(UpToDate u) {
        conditions.addElement(u);
    }

    /**
     * Add an <not> condition "container".
     *
     * @param n a Not condition
     * @since 1.1
     */
    public void addNot(Not n) {
        conditions.addElement(n);
    }

    /**
     * Add an <and> condition "container".
     *
     * @param a an And condition
     * @since 1.1
     */
    public void addAnd(And a) {
        conditions.addElement(a);
    }

    /**
     * Add an <or> condition "container".
     *
     * @param o an Or condition
     * @since 1.1
     */
    public void addOr(Or o) {
        conditions.addElement(o);
    }

    /**
     * Add an <equals> condition.
     *
     * @param e an Equals condition
     * @since 1.1
     */
    public void addEquals(Equals e) {
        conditions.addElement(e);
    }

    /**
     * Add an <os> condition.
     *
     * @param o an Os condition
     * @since 1.1
     */
    public void addOs(Os o) {
        conditions.addElement(o);
    }

    /**
     * Add an <isset> condition.
     *
     * @param i an IsSet condition
     * @since Ant 1.5
     */
    public void addIsSet(IsSet i) {
        conditions.addElement(i);
    }

    /**
     * Add an <http> condition.
     *
     * @param h an Http condition
     * @since Ant 1.5
     */
    public void addHttp(Http h) {
        conditions.addElement(h);
    }

    /**
     * Add a <socket> condition.
     *
     * @param s a Socket condition
     * @since Ant 1.5
     */
    public void addSocket(Socket s) {
        conditions.addElement(s);
    }

    /**
     * Add a <filesmatch> condition.
     *
     * @param test a FilesMatch condition
     * @since Ant 1.5
     */
    public void addFilesMatch(FilesMatch test) {
        conditions.addElement(test);
    }

    /**
     * Add a <contains> condition.
     *
     * @param test a Contains condition
     * @since Ant 1.5
     */
    public void addContains(Contains test) {
        conditions.addElement(test);
    }

    /**
     * Add a <istrue> condition.
     *
     * @param test an IsTrue condition
     * @since Ant 1.5
     */
    public void addIsTrue(IsTrue test) {
        conditions.addElement(test);
    }

    /**
     * Add a <isfalse> condition.
     *
     * @param test an IsFalse condition
     * @since Ant 1.5
     */
    public void addIsFalse(IsFalse test) {
        conditions.addElement(test);
    }

    /**
     * Add an <isreference> condition.
     *
     * @param i an IsReference condition
     * @since Ant 1.6
     */
    public void addIsReference(IsReference i) {
        conditions.addElement(i);
    }

    /**
     * Add an arbitrary condition
     * @param c a  condition
     * @since Ant 1.6
     */
    public void add(Condition c) {
        conditions.addElement(c);
    }
}