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<span class="comment">/*
* 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.
*/</span>
<span class="keyword">package</span> <span class="jde-java-font-lock-package">org</span>.<span class="jde-java-font-lock-package">apache</span>.<span class="jde-java-font-lock-package">fop</span>.<span class="jde-java-font-lock-package">datatypes</span>;
<span class="keyword">import</span> <span class="jde-java-font-lock-package">org</span>.<span class="jde-java-font-lock-package">apache</span>.<span class="jde-java-font-lock-package">fop</span>.<span class="jde-java-font-lock-package">fo</span>.<span class="type">PropertyConsts</span>;
<span class="keyword">import</span> <span class="jde-java-font-lock-package">org</span>.<span class="jde-java-font-lock-package">apache</span>.<span class="jde-java-font-lock-package">fop</span>.<span class="jde-java-font-lock-package">fo</span>.<span class="type">PropNames</span>;
<span class="keyword">import</span> <span class="jde-java-font-lock-package">org</span>.<span class="jde-java-font-lock-package">apache</span>.<span class="jde-java-font-lock-package">fop</span>.<span class="jde-java-font-lock-package">fo</span>.<span class="jde-java-font-lock-package">properties</span>.<span class="jde-java-font-lock-number">*</span>;
<span class="keyword">import</span> <span class="jde-java-font-lock-package">org</span>.<span class="jde-java-font-lock-package">apache</span>.<span class="jde-java-font-lock-package">fop</span>.<span class="jde-java-font-lock-package">fo</span>.<span class="type">FONode</span>;
<span class="keyword">import</span> <span class="jde-java-font-lock-package">org</span>.<span class="jde-java-font-lock-package">apache</span>.<span class="jde-java-font-lock-package">fop</span>.<span class="jde-java-font-lock-package">fo</span>.<span class="jde-java-font-lock-package">expr</span>.<span class="type">PropertyException</span>;
<span class="keyword">import</span> <span class="jde-java-font-lock-package">org</span>.<span class="jde-java-font-lock-package">apache</span>.<span class="jde-java-font-lock-package">fop</span>.<span class="jde-java-font-lock-package">datatypes</span>.<span class="type">PropertyValue</span>;
<span class="comment">/**
* Base abstract class for all property value types.
* @author <a href="mailto:pbwest@powerup.com.au">Peter B. West</a>
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="jde-java-font-lock-modifier">abstract</span> <span class="keyword">class</span> <span class="function-name" id="AbstractPropertyValueClass">AbstractPropertyValue</span>
<span class="keyword">implements</span> <span class="type">PropertyValue</span>, <span class="type">Cloneable</span>
{
<span class="comment">/**
* An integer index to the type of property of which this is a value.
*/</span>
<span class="jde-java-font-lock-modifier">protected</span> <span class="type">int</span> <span class="variable-name" id="property">property</span>;
<span class="comment">/**
* An integer property type.
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="jde-java-font-lock-modifier">final</span> <span class="type">int</span> <span class="variable-name" id="type">type</span>;
<span class="comment">/**
* The PropertyConsts singleton.
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="jde-java-font-lock-modifier">final</span> <span class="type">PropertyConsts</span> <span class="variable-name" id="propertyConsts">propertyConsts</span>;
<span class="comment">/**
* </span><span class="jde-java-font-lock-doc-tag">@param</span><span class="comment"> </span><span class="variable-name" id="index">index</span><span class="comment"> index of the property in the property arrays.
* </span><span class="jde-java-font-lock-doc-tag">@param</span><span class="comment"> </span><span class="variable-name">type</span><span class="comment"> of this value
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="function-name" id="AbstractPropertyValue">AbstractPropertyValue</span>(<span class="type">int</span> <span class="variable-name">index</span>, <span class="type">int</span> <span class="variable-name">type</span>)
<span class="keyword">throws</span> <span class="type">PropertyException</span>
{
<span class="keyword">if</span> (index < <span class="jde-java-font-lock-number">1</span> || index > PropNames.<span class="jde-java-font-lock-constant" id="LAST_PROPERTY_INDEX">LAST_PROPERTY_INDEX</span>)
<span class="keyword">throw</span> <span class="keyword">new</span> <span class="type">PropertyException</span>("<span class="string">Invalid property index: </span>" + index);
<span class="keyword">if</span> (type < <span class="jde-java-font-lock-number">0</span> || type > PropertyValue.<span class="jde-java-font-lock-constant" id="LAST_PROPERTY_TYPE">LAST_PROPERTY_TYPE</span>)
<span class="keyword">throw</span> <span class="keyword">new</span> <span class="type">PropertyException</span>("<span class="string">Invalid property type: </span>" + type);
property = index;
<span class="keyword">this</span>.type = type;
propertyConsts = PropertyConsts.getPropertyConsts();
}
<span class="comment">/**
* </span><span class="jde-java-font-lock-doc-tag">@param</span><span class="comment"> </span><span class="variable-name" id="propertyName">propertyName</span><span class="comment"> a <tt>String</tt> containing the property name.
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="function-name">AbstractPropertyValue</span>(<span class="type">String</span> <span class="variable-name">propertyName</span>, <span class="type">int</span> <span class="variable-name">type</span>)
<span class="keyword">throws</span> <span class="type">PropertyException</span>
{
propertyConsts = PropertyConsts.getPropertyConsts();
property = PropNames.getPropertyIndex(propertyName);
<span class="keyword">if</span> (property < <span class="jde-java-font-lock-number">1</span> || property > PropNames.<span class="jde-java-font-lock-constant">LAST_PROPERTY_INDEX</span>)
<span class="keyword">throw</span> <span class="keyword">new</span> <span class="type">PropertyException</span>("<span class="string">Invalid property index: </span>" + property);
<span class="keyword">if</span> (type < <span class="jde-java-font-lock-number">0</span> || type > PropertyValue.<span class="jde-java-font-lock-constant">LAST_PROPERTY_TYPE</span>)
<span class="keyword">throw</span> <span class="keyword">new</span> <span class="type">PropertyException</span>("<span class="string">Invalid property type: </span>" + type);
<span class="keyword">this</span>.type = type;
}
<span class="comment">/**
* </span><span class="jde-java-font-lock-doc-tag">@return</span><span class="comment"> <tt>int</tt> property index.
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="type">int</span> <span class="function-name" id="getProperty">getProperty</span>() {
<span class="keyword">return</span> property;
}
<span class="jde-java-font-lock-modifier">public</span> <span class="type">void</span> <span class="function-name" id="setProperty">setProperty</span>(<span class="type">int</span> <span class="variable-name">index</span>) <span class="keyword">throws</span> <span class="type">PropertyException</span> {
<span class="keyword">if</span> (index < <span class="jde-java-font-lock-number">0</span> || index > PropNames.<span class="jde-java-font-lock-constant">LAST_PROPERTY_INDEX</span>)
<span class="keyword">throw</span> <span class="keyword">new</span> <span class="type">PropertyException</span>("<span class="string">Invalid property index: </span>" + index);
property = index;
}
<span class="comment">/**
* </span><span class="jde-java-font-lock-doc-tag">@return</span><span class="comment"> type field of the <tt>PropertyValue</tt>.
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="type">int</span> <span class="function-name" id="getType">getType</span>() {
<span class="keyword">return</span> type;
}
<span class="comment">/**
* In some circumstances, the property against which a type is to be
* validated may not be the same as the property against which this
* <i></span><span class="jde-java-font-lock-italic">AbstractPropertyValue</span><span class="comment"></i> is defined.
* A specific property argument is then required.
* </span><span class="jde-java-font-lock-doc-tag">@param</span><span class="comment"> </span><span class="variable-name" id="testProperty">testProperty</span><span class="comment"> <tt>int</tt> property index of the property
* for which the type is to be validated.
* </span><span class="jde-java-font-lock-doc-tag">@param</span><span class="comment"> </span><span class="variable-name">type</span><span class="comment"> <tt>int</tt> bitmap of data types to check for
* validity against this property.
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="type">void</span> <span class="function-name" id="validate">validate</span>(<span class="type">int</span> <span class="variable-name">testProperty</span>, <span class="type">int</span> <span class="variable-name">type</span>)
<span class="keyword">throws</span> <span class="type">PropertyException</span>
{
<span class="comment">// N.B. PROPERTY_SPECIFIC inheritance may require more specialized
</span> <span class="comment">// checks. Only line-height comes into this category.
</span>
<span class="comment">// N.B. The first commented-out condition means that I cannot validate
</span> <span class="comment">// unless the property is NOT inherited.
</span> <span class="comment">// I can't remember why I put this
</span> <span class="comment">// condition in here. Removing it. pbw 2002/02/18
</span> <span class="comment">//if (propertyConsts.inherited.get(testProperty) == Property.NO
</span> <span class="comment">//&& (propertyConsts.getDataTypes(testProperty) & type) == 0) {
</span>
<span class="keyword">if</span> ((propertyConsts.getDataTypes(testProperty) & type) == <span class="jde-java-font-lock-number">0</span>) {
<span class="type">String</span> <span class="variable-name" id="pname">pname</span> = PropNames.getPropertyName(testProperty);
<span class="keyword">throw</span> <span class="keyword">new</span> <span class="type">PropertyException</span>
("<span class="string">Datatype(s) </span>" +
Property.listDataTypes(type) +
"<span class="string"> not defined on </span>" + pname);
}
}
<span class="comment">/**
* </span><span class="jde-java-font-lock-doc-tag">@param</span><span class="comment"> </span><span class="variable-name">type</span><span class="comment"> <tt>int</tt> bitmap of data types to check for
* validity against this property.
*/</span>
<span class="jde-java-font-lock-modifier">public</span> <span class="type">void</span> <span class="function-name">validate</span>(<span class="type">int</span> <span class="variable-name">type</span>) <span class="keyword">throws</span> <span class="type">PropertyException</span> {
<span class="comment">// N.B. PROPERTY_SPECIFIC inheritance may require more specialized
</span> <span class="comment">// checks. Only line-height comes into this category.
</span> validate(property, type);
}
<span class="jde-java-font-lock-modifier">public</span> <span class="jde-java-font-lock-modifier">static</span> <span class="type">String</span> <span class="function-name" id="typeString">typeString</span>(<span class="type">int</span> <span class="variable-name">type</span>) {
<span class="keyword">if</span> (type < <span class="jde-java-font-lock-number">0</span> || type >PropertyValue.<span class="jde-java-font-lock-constant">LAST_PROPERTY_TYPE</span>)
<span class="keyword">return</span> "<span class="string">Property type out of range</span>";
<span class="keyword">return</span> PropertyValue.propertyTypes.get(type);
}
<span class="jde-java-font-lock-modifier">public</span> <span class="type">String</span> <span class="function-name" id="toString">toString</span>() {
<span class="keyword">try</span> {
<span class="keyword">return</span> "<span class="string">Property: </span>" + PropNames.getPropertyName(property)
+ "<span class="string"> Index: </span>" + property + "<span class="string"> Type: </span>" +
typeString(type);
} <span class="keyword">catch</span> (<span class="type">PropertyException</span> <span class="variable-name" id="e">e</span>) {
<span class="keyword">throw</span> <span class="keyword">new</span> <span class="type">RuntimeException</span>(e.getMessage());
}
}
<span class="jde-java-font-lock-modifier">public</span> <span class="type">Object</span> <span class="function-name" id="clone">clone</span>() <span class="keyword">throws</span> <span class="type">CloneNotSupportedException</span> {
<span class="keyword">return</span> <span class="keyword">super</span>.clone();
}
}
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