/*
* Copyright 2002-2006,2009 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 com.opensymphony.xwork2.conversion.metadata;
import com.opensymphony.xwork2.conversion.annotations.ConversionRule;
import com.opensymphony.xwork2.conversion.impl.DefaultObjectTypeDeterminer;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* <code>ConversionDescription</code>
*
* @author Rainer Hermanns
* @version $Id$
*/
public class ConversionDescription {
/**
* Jakarta commons-logging reference.
*/
protected static Logger log = null;
public static final String KEY_PREFIX = "Key_";
public static final String ELEMENT_PREFIX = "Element_";
public static final String KEY_PROPERTY_PREFIX = "KeyProperty_";
public static final String DEPRECATED_ELEMENT_PREFIX = "Collection_";
/**
* Key used for type conversion of maps.
*/
String MAP_PREFIX = "Map_";
public String property;
public String typeConverter = "";
public String rule = "";
public String value = "";
public String fullQualifiedClassName;
public String type = null;
public ConversionDescription() {
log = LogManager.getLogger(this.getClass());
}
/**
* Creates an ConversionDescription with the specified property name.
*
* @param property property
*/
public ConversionDescription(String property) {
this.property = property;
log = LogManager.getLogger(this.getClass());
}
/**
* <p>
* Sets the property name to be inserted into the related conversion.properties file.<br>
* Note: Do not add COLLECTION_PREFIX or MAP_PREFIX keys to property names.
* </p>
*
* @param property The property to be converted.
*/
public void setProperty(String property) {
this.property = property;
}
/**
* Sets the class name of the type converter to be used.
*
* @param typeConverter The class name of the type converter.
*/
public void setTypeConverter(String typeConverter) {
this.typeConverter = typeConverter;
}
/**
* @param rule the rule prefix for COLLECTION_PREFIX or MAP_PREFIX key. Defaults to en empty String.
*/
public void setRule(String rule) {
if (rule != null && rule.length() > 0) {
if (rule.equals(ConversionRule.COLLECTION.toString())) {
this.rule = DefaultObjectTypeDeterminer.DEPRECATED_ELEMENT_PREFIX;
} else if (rule.equals(ConversionRule.ELEMENT.toString())) {
this.rule = DefaultObjectTypeDeterminer.ELEMENT_PREFIX;
} else if (rule.equals(ConversionRule.KEY.toString())) {
this.rule = DefaultObjectTypeDeterminer.KEY_PREFIX;
} else if (rule.equals(ConversionRule.KEY_PROPERTY.toString())) {
this.rule = DefaultObjectTypeDeterminer.KEY_PROPERTY_PREFIX;
} else if (rule.equals(ConversionRule.MAP.toString())) {
this.rule = MAP_PREFIX;
}
}
}
public void setType(String type) {
this.type = type;
}
public String getType() {
return type;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
/**
* Returns the conversion description as property entry.
* <p>
* Example:<br>
* property.name = converter.className<br>
* Collection_property.name = converter.className<br>
* Map_property.name = converter.className
* KeyProperty_name = id
* </p>
*
* @return the conversion description as property entry.
*/
public String asProperty() {
StringWriter sw = new StringWriter();
PrintWriter writer = null;
try {
writer = new PrintWriter(sw);
writer.print(rule);
writer.print(property);
writer.print("=");
if ( rule.startsWith(DefaultObjectTypeDeterminer.KEY_PROPERTY_PREFIX) && value != null && value.length() > 0 ) {
writer.print(value);
} else {
writer.print(typeConverter);
}
} finally {
if (writer != null) {
writer.flush();
writer.close();
}
}
return sw.toString();
}
/**
* Returns the fullQualifiedClassName attribute is used to create the special <code>conversion.properties</code> file name.
*
* @return full qualified class name
*/
public String getFullQualifiedClassName() {
return fullQualifiedClassName;
}
/**
* The fullQualifiedClassName attribute is used to create the special <code>conversion.properties</code> file name.
*
* @param fullQualifiedClassName a full qualified class name
*/
public void setFullQualifiedClassName(String fullQualifiedClassName) {
this.fullQualifiedClassName = fullQualifiedClassName;
}
}