| // Copyright 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.tapestry.parse; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.commons.lang.builder.ToStringBuilder; |
| import org.apache.tapestry.ILocation; |
| |
| /** |
| * Token representing the open tag for a component. Components may be either |
| * specified or implicit. Specified components (the traditional type, dating |
| * back to the origin of Tapestry) are matched by an entry in the |
| * containing component's specification. Implicit components specify their |
| * type in the component template and must not have an entry in |
| * the containing component's specification. |
| * |
| * @see TokenType#OPEN |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| * @since 3.0 |
| * |
| **/ |
| |
| public class OpenToken extends TemplateToken |
| { |
| private String _tag; |
| private String _id; |
| private String _componentType; |
| private Map _attributes; |
| |
| /** |
| * Creates a new token with the given tag, id and type |
| * |
| * @param tag the template tag which represents the component, typically "span" |
| * @param id the id for the component, which may be assigned by the template |
| * parser for implicit components |
| * @param componentType the type of component, if an implicit component, or null for |
| * a specified component |
| * @param location location of tag represented by this token |
| * |
| **/ |
| |
| public OpenToken(String tag, String id, String componentType, ILocation location) |
| { |
| super(TokenType.OPEN, location); |
| |
| _tag = tag; |
| _id = id; |
| _componentType = componentType; |
| } |
| |
| /** |
| * Returns the id for the component. |
| * |
| **/ |
| |
| public String getId() |
| { |
| return _id; |
| } |
| |
| /** |
| * Returns the tag used to represent the component within the template. |
| * |
| **/ |
| |
| public String getTag() |
| { |
| return _tag; |
| } |
| |
| /** |
| * Returns the specified component type, or null for a component where the type |
| * is not defined in the template. The type may include a library id prefix. |
| * |
| **/ |
| |
| public String getComponentType() |
| { |
| return _componentType; |
| } |
| |
| public void addAttribute(String name, AttributeType type, String value) |
| { |
| TemplateAttribute attribute = new TemplateAttribute(type, value); |
| |
| if (_attributes == null) |
| _attributes = new HashMap(); |
| |
| _attributes.put(name, attribute); |
| } |
| |
| /** |
| * Returns a Map of attributes. Key is the attribute name, value |
| * is an instance of {@link org.apache.tapestry.parse.TemplateAttribute}. |
| * The caller should not modify the Map. Returns null if |
| * this OpenToken contains no attributes. |
| * |
| **/ |
| |
| public Map getAttributesMap() |
| { |
| return _attributes; |
| } |
| |
| protected void extendDescription(ToStringBuilder builder) |
| { |
| builder.append("id", _id); |
| builder.append("componentType", _componentType); |
| builder.append("tag", _tag); |
| builder.append("attributes", _attributes); |
| } |
| |
| } |