org.codehaus.jettison.mapped.DefaultConverter Maven / Gradle / Ivy
/**
* Copyright 2006 Envoi Solutions LLC
*
* 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.codehaus.jettison.mapped;
/**
* Default converter that tries to convert value to appropriate primitive (if fails, returns original string)
*
* @author Dejan Bosanac
* @since 1.1
*/
public class DefaultConverter implements TypeConverter {
/* Were there a constants class, this key would live there. */
private static final String ENFORCE_32BIT_INTEGER_KEY = "jettison.mapped.typeconverter.enforce_32bit_integer";
public static final boolean ENFORCE_32BIT_INTEGER = Boolean.getBoolean( ENFORCE_32BIT_INTEGER_KEY );
private boolean enforce32BitInt = ENFORCE_32BIT_INTEGER;
public void setEnforce32BitInt(boolean enforce32BitInt) {
this.enforce32BitInt = enforce32BitInt;
}
public Object convertToJSONPrimitive(String text) {
if(text == null) return text;
Object primitive = null;
// Attempt to convert to Integer
try {
primitive = enforce32BitInt ? Integer.valueOf(text) : Long.valueOf(text);
} catch (Exception e) {/**/}
// Attempt to convert to double
if (primitive == null) {
try {
Double v = Double.valueOf(text);
if( !v.isInfinite() && !v.isNaN() ) {
primitive = v;
}
else {
primitive = text;
}
} catch (Exception e) {/**/}
}
// Attempt to convert to boolean
if (primitive == null) {
if(text.trim().equalsIgnoreCase("true") || text.trim().equalsIgnoreCase("false")) {
primitive = Boolean.valueOf(text);
}
}
if (primitive == null || !primitive.toString().equals(text)) {
// Default String
primitive = text;
}
return primitive;
}
}