com.vectorprint.configuration.binding.parameters.json.JSONBindingHelper Maven / Gradle / Ivy
/*
* Copyright 2015 VectorPrint.
*
* 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.vectorprint.configuration.binding.parameters.json;
/*
* #%L
* Config
* %%
* Copyright (C) 2015 VectorPrint
* %%
* 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.
* #L%
*/
import com.vectorprint.configuration.binding.AbstractBindingHelperDecorator;
import com.vectorprint.configuration.binding.parameters.AbstractParamBindingHelperDecorator;
import com.vectorprint.configuration.binding.parameters.ParamBindingHelperImpl;
import java.awt.Color;
/**
* implementation supports json syntax, does not escape values, uses ',' as separator for array values
* @author Eduard Drenth at VectorPrint.nl
*/
public class JSONBindingHelper extends AbstractParamBindingHelperDecorator {
public JSONBindingHelper() {
super(new ParamBindingHelperImpl());
}
/**
* quote (single) all but (B)boolean and (N)numeric, use "null" for null values
*
* @param value
* @return the String
*/
@Override
public String serializeValue(Object value) {
StringBuilder sb = new StringBuilder();
if (value == null) {
return sb.append("null").toString();
}
Class clazz = value.getClass();
if (!clazz.isArray()) {
if (value instanceof Color) {
sb.append('\'').append(AbstractBindingHelperDecorator.colorToHex((Color) value)).append('\'');
} else {
// parameter clazz is never primitive
if (Number.class.isInstance(value) || Boolean.class.equals(clazz)) {
sb.append(String.valueOf(value));
} else {
sb.append('\'').append(String.valueOf(value)).append('\'');
}
}
return sb.toString();
}
sb.append('[');
if (!clazz.getComponentType().isPrimitive()) {
if (Number.class.isAssignableFrom(clazz.getComponentType()) || Boolean.class.equals(clazz.getComponentType())) {
String serializeValue = super.serializeValue(value);
return sb.append(serializeValue==null?"null":serializeValue).append(']').toString();
}
Object[] O = (Object[]) value;
if (O.length == 0) {
return sb.append("null]").toString();
}
int l = O.length;
for (int i = 0;; i++) {
String v = "null";
if (O[i]!=null) {
if (O[i] instanceof Color) {
v = AbstractBindingHelperDecorator.colorToHex((Color) O[i]);
} else {
v = String.valueOf(O[i]);
}
}
if (i == l - 1) {
sb.append('\'').append(v).append('\'');
break;
}
sb.append('\'').append(v).append('\'').append(getArrayValueSeparator());
}
} else {
if (char[].class.isInstance(value)) {
char[] s = (char[]) value;
if (s.length == 0) {
return sb.append("null]").toString();
}
int l = s.length;
for (int i = 0;; i++) {
if (i == l - 1) {
sb.append('\'').append(String.valueOf(s[i])).append('\'');
break;
}
sb.append('\'').append(String.valueOf(s[i])).append('\'').append(getArrayValueSeparator());
}
} else {
String serializeValue = super.serializeValue(value);
return sb.append(serializeValue==null?"null":serializeValue).append(']').toString();
}
}
return sb.append(']').toString();
}
}