001// Copyright 2004, 2005 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.hivemind.parse;
016
017import java.util.ArrayList;
018import java.util.Collections;
019import java.util.List;
020
021import org.apache.hivemind.Element;
022import org.apache.hivemind.util.ToStringBuilder;
023
024/**
025 * Descriptor for <contribution> element.
026 * 
027 * @author Howard Lewis Ship
028 */
029public final class ContributionDescriptor extends BaseAnnotationHolder
030{
031    private String _configurationId;
032
033    private List _elements;
034
035    /** @since 1.1 */
036    private String _conditionalExpression;
037
038    /**
039     * Returns the extension id, which may be a local id (simple name) or an extended id (including
040     * a module id prefix).
041     */
042    public String getConfigurationId()
043    {
044        return _configurationId;
045    }
046
047    public void setConfigurationId(String string)
048    {
049        _configurationId = string;
050    }
051
052    public String toString()
053    {
054        ToStringBuilder builder = new ToStringBuilder(this);
055        builder.append("configurationId", _configurationId);
056        builder.append("conditionalExpression", _conditionalExpression);
057
058        return builder.toString();
059    }
060
061    public void addElement(Element element)
062    {
063        if (_elements == null)
064            _elements = new ArrayList();
065
066        _elements.add(element);
067    }
068
069    public List getElements()
070    {
071        if (_elements == null)
072            return Collections.EMPTY_LIST;
073
074        return _elements;
075    }
076
077    /** @since 1.1 */
078    public String getConditionalExpression()
079    {
080        return _conditionalExpression;
081    }
082
083    /** @since 1.1 */
084    public void setConditionalExpression(String conditionalExpression)
085    {
086        _conditionalExpression = conditionalExpression;
087    }
088}