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/*
* $Id$
*
* 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.tiles;
import java.util.Map;
/**
* A definition, i.e. a template with (completely or not) filled attributes.
* Attributes of a template can be defined with the help of this class.<br>
* It can be used as a data transfer object used for registering new
* definitions with the Container.
*
* @since Tiles 2.0
* @version $Rev$ $Date$
*/
public class Definition extends BasicAttributeContext {
/**
* Extends attribute value.
*/
protected String inherit;
/**
* Definition name.
*/
protected String name = null;
/**
* Constructor.
*/
public Definition() {
super();
}
/**
* Copy Constructor.
* Create a new definition initialized with parent definition.
* Do a shallow copy : attributes are shared between copies, but not the Map
* containing attributes.
*
* @param definition The definition to copy.
*/
public Definition(Definition definition) {
super(definition);
this.name = definition.name;
this.inherit = definition.inherit;
}
/**
* Constructor.
* @param name The name of the definition.
* @param template The template of the definition.
* @param attributes The attribute map of the definition.
* @deprecated Use {@link #Definition(String, Attribute, Map)}.
*/
public Definition(String name, String template,
Map<String, Attribute> attributes) {
this(name, Attribute.createTemplateAttribute(template), attributes);
}
/**
* Constructor.
* @param name The name of the definition.
* @param templateAttribute The template attribute of the definition.
* @param attributes The attribute map of the definition.
*
* @since 2.1.2
*/
public Definition(String name, Attribute templateAttribute,
Map<String, Attribute> attributes) {
super(attributes);
this.name = name;
this.templateAttribute = templateAttribute;
}
/**
* Access method for the name property.
*
* @return the current value of the name property
*/
public String getName() {
return name;
}
/**
* Sets the value of the name property.
*
* @param aName the new value of the name property
*/
public void setName(String aName) {
name = aName;
}
/**
* Access method for the template property.
*
* @return the current value of the template property
* @deprecated Use {@link #getTemplateAttribute()}.
*/
@Deprecated
public String getTemplate() {
if (templateAttribute == null) {
templateAttribute = Attribute.createTemplateAttribute(null);
}
return (String) templateAttribute.getValue();
}
/**
* Sets the value of the template property.
*
* @param template the new value of the path property
* @deprecated Use {@link #getTemplateAttribute()}.
*/
@Deprecated
public void setTemplate(String template) {
if (templateAttribute == null) {
templateAttribute = Attribute.createTemplateAttribute(template);
} else {
templateAttribute.setValue(template);
}
}
/**
* Access method for the role property.
*
* @return the current value of the role property
* @deprecated Use {@link #getTemplateAttribute()}.
*/
@Deprecated
public String getRole() {
if (templateAttribute == null) {
templateAttribute = Attribute.createTemplateAttribute(null);
}
return templateAttribute.getRole();
}
/**
* Sets the value of the role property.
*
* @param role the new value of the role property
* @deprecated Use {@link #getTemplateAttribute()}.
*/
@Deprecated
public void setRole(String role) {
if (templateAttribute == null) {
templateAttribute = Attribute.createTemplateAttribute(null);
}
templateAttribute.setRole(role);
}
/**
* Access method for the attributes property. If there is no attributes,
* return an empty map.
*
* @return the current value of the attributes property
* @deprecated Use {@link AttributeContext#getLocalAttributeNames()} and
* {@link AttributeContext#getCascadedAttributeNames()}.
*/
@Deprecated
public Map<String, Attribute> getAttributes() {
return attributes;
}
/**
* Add an attribute to this definition.
* <p/>
* This method is used by Digester to load definitions.
*
* @param attribute Attribute to add.
* @deprecated Use {@link Definition#putAttribute(String, Attribute)}.
*/
@Deprecated
public void addAttribute(Attribute attribute) {
putAttribute(attribute.getName(), attribute);
}
/**
* Checks whether the <code>key</code> attribute has been set.
*
* @param key The attribute key to check.
* @return <code>true</code> if the attribute has a value.
* @deprecated Check if the {@link AttributeContext#getAttribute(String)}
* returns null.
*/
@Deprecated
public boolean hasAttributeValue(String key) {
return getAttribute(key) != null;
}
/**
* Put an attribute in template definition. Attribute can be used as content
* for tag get.
*
* @param name Attribute name
* @param content Attribute value
* @deprecated Use {@link AttributeContext#putAttribute(String, Attribute)}
* or {@link AttributeContext#putAttribute(String, Attribute, boolean)}.
*/
@Deprecated
public void put(String name, Object content) {
put(name, content, null);
}
/**
* Put an attribute in template definition.
* Attribute can be used as content for tag get.
*
* @param name Attribute name
* @param content Attribute value
* @param role Determine if content is used by get tag. If user is in role, content is used.
* @deprecated Use {@link AttributeContext#putAttribute(String, Attribute)}
* or {@link AttributeContext#putAttribute(String, Attribute, boolean)}.
*/
@Deprecated
public void put(String name, Object content, String role) {
Attribute attribute = new Attribute(content, (Expression) null, role,
(String) null);
putAttribute(name, attribute);
}
/**
* Put an attribute in template definition.
* Attribute can be used as content for tag get.
*
* @param name Attribute name
* @param content Attribute value
* @param type attribute type: template, string, definition
* @param role Determine if content is used by get tag. If user is in role, content is used.
* @deprecated Use {@link AttributeContext#putAttribute(String, Attribute)}
* or {@link AttributeContext#putAttribute(String, Attribute, boolean)}.
*/
@Deprecated
public void put(String name, Object content,
org.apache.tiles.Attribute.AttributeType type, String role) {
// Is there a type set ?
// First check direct attribute, and translate it to a valueType.
// Then, evaluate valueType, and create requested typed attribute.
Attribute attribute = new Attribute(content, role, type);
putAttribute(name, attribute);
}
/**
* Set extends.
*
* @param name Name of the extended definition.
*/
public void setExtends(String name) {
inherit = name;
}
/**
* Get extends.
*
* @return Name of the extended definition.
*/
public String getExtends() {
return inherit;
}
/** {@inheritDoc} */
@Override
public int hashCode() {
return name != null ? name.hashCode() : 0;
}
/**
* Get extends flag.
*
* @return <code>true</code> if this definition extends another.
*/
public boolean isExtending() {
return inherit != null;
}
/**
* Returns a description of the attributes.
*
* @return A string representation of the content of this definition.
*/
public String toString() {
return "{name="
+ name
+ ", template="
+ (templateAttribute != null ? templateAttribute.getValue() : "<null>")
+ ", role="
+ (templateAttribute != null ? templateAttribute.getRoles() : "<null>")
+ ", preparerInstance="
+ preparer
+ ", attributes="
+ attributes
+ "}";
}
}