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Java JSON Tools core library. It is independent of third party libraries.
It is meant to minimize transitive dependencies.
Applications of the JSON tools which relate to other libraries will
be in separate optional pacakges.
package com.sdicons.json.model;
/*
JSONTools - Java JSON Tools
Copyright (C) 2006 S.D.I.-Consulting BVBA
http://www.sdi-consulting.com
mailto://[email protected]
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
import java.util.ArrayList;
import java.util.List;
import java.util.LinkedList;
/**
* Represents a JSON array (list), an ordered list of values ...
* Example: [ "one", "two", "tree" ] is an array of 3 strings.
*/
public class JSONArray
extends JSONComplex
{
private List array = new ArrayList();
/**
* @return The length of the array (list).
*/
public int size()
{
return array.size();
}
/**
* @return The JSON elements in the array (list).
*/
public List getValue()
{
return array;
}
public String toString()
{
final StringBuffer lBuf = new StringBuffer();
lBuf.append("JSONArray(").append(getLine()).append(":").append(getCol()).append(")[");
for (int i = 0; i < array.size(); i++)
{
JSONValue jsonValue = array.get(i);
lBuf.append(jsonValue.toString());
if(i < array.size() - 1) lBuf.append(", ");
}
lBuf.append("]");
return lBuf.toString();
}
/**
* Utility method, get an element at a specific position in the list.
* You do not have to get the list value first with getValue() first.
* @param i Index of the element to return.
* @return Returns the element at the specified position in this list.
* @throws IndexOutOfBoundsException When there is no element at the specified position.
*/
public JSONValue get(int i)
{
return array.get(i);
}
protected String render(boolean aPretty, String aIndent)
{
final StringBuffer lBuf = new StringBuffer();
if(aPretty)
{
lBuf.append(aIndent).append("[\n");
String lIndent = aIndent + " ";
for (int i = 0; i < array.size(); i++)
{
JSONValue jsonValue = array.get(i);
lBuf.append(jsonValue.render(true, lIndent));
if(i < array.size() - 1) lBuf.append(",\n");
else lBuf.append("\n");
}
lBuf.append(aIndent).append("]");
}
else
{
lBuf.append("[");
for (int i = 0; i < array.size(); i++)
{
JSONValue jsonValue = array.get(i);
lBuf.append(jsonValue.render(false, ""));
if(i < array.size() - 1) lBuf.append(",");
}
lBuf.append("]");
}
return lBuf.toString();
}
public boolean equals(Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final JSONArray jsonArray = (JSONArray) o;
return array.equals(jsonArray.array);
}
public int hashCode()
{
return array.hashCode();
}
/**
* Remove all JSON information. In the case of a JSONString, a Java String is returned.
* The elements of the array are stripped as well.
* @return A Java String representing the contents of the JSONString.
*/
public Object strip()
{
List lResult = new LinkedList();
for(JSONValue lVal: array)
{
lResult.add(lVal.strip());
}
return lResult;
}
}