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com.ait.tooling.json.JSONArray Maven / Gradle / Ivy
Ahome Tooling JSON - Java JSON Parser and Serializer, heavily mooded from JSON Simple.
/*
* Copyright (c) 2014,2015 Ahome' Innovation Technologies. All rights reserved.
*
* 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.ait.tooling.json;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import com.ait.tooling.common.api.json.JSONArrayDefinition;
import com.ait.tooling.common.api.json.JSONType;
public class JSONArray extends ArrayList implements JSONArrayDefinition, IJSONStreamAware
{
private static final String NULL_FOR_OUTPUT = "null".intern();
private static final long serialVersionUID = 928145403133304801L;
public JSONArray()
{
}
public JSONArray(final int size)
{
super(Math.max(0, size));
}
public JSONArray(final List value)
{
addAll(Objects.requireNonNull(value));
}
public final JSONArray append(final List value)
{
addAll(Objects.requireNonNull(value));
return this;
}
public final void dumpClassNames(final PrintWriter out)
{
Objects.requireNonNull(out);
final int size = size();
for (int i = 0; i < size; i++)
{
final Object o = get(i);
if (null == o)
{
out.println("JSONArray[" + i + "]=null");
}
else
{
out.println("JSONArray[" + i + "]=" + o.getClass().getName());
}
}
}
public final void dumpClassNames(final PrintStream out)
{
Objects.requireNonNull(out);
final int size = size();
for (int i = 0; i < size; i++)
{
final Object o = get(i);
if (null == o)
{
out.println("JSONArray[" + i + "]=null");
}
else
{
out.println("JSONArray[" + i + "]=" + o.getClass().getName());
}
}
}
static final void writeJSONString(final List list, final Writer out, final IJSONContext context, final boolean strict) throws IOException
{
boolean first = true;
final int size = list.size();
out.write('[');
IJSONArrayReplacer replacer = null;
if (null != context)
{
replacer = context.getArrayReplacer();
}
for (int i = 0; i < size; i++)
{
Object valu = list.get(i);
if (null != replacer)
{
valu = replacer.replace(i, valu);
if (IJSONArrayReplacer.UNDEFINED == valu)
{
continue;
}
}
if (first)
{
first = false;
}
else
{
out.write(',');
}
if (null == valu)
{
out.write(NULL_FOR_OUTPUT);
continue;
}
JSONUtils.writeJSONString(valu, out, context, strict);
}
out.write(']');
}
static final void writeJSONString(final Collection list, final Writer out, final IJSONContext context, final boolean strict) throws IOException
{
if (null == list)
{
out.write(NULL_FOR_OUTPUT);
return;
}
boolean first = true;
final Iterator iter = list.iterator();
out.write('[');
int i = 0 - 1;
IJSONArrayReplacer replacer = null;
if (null != context)
{
replacer = context.getArrayReplacer();
}
while (iter.hasNext())
{
i++;
Object valu = iter.next();
if (null != replacer)
{
valu = replacer.replace(i, valu);
if (IJSONArrayReplacer.UNDEFINED == valu)
{
continue;
}
}
if (first)
{
first = false;
}
else
{
out.write(',');
}
if (null == valu)
{
out.write(NULL_FOR_OUTPUT);
continue;
}
JSONUtils.writeJSONString(valu, out, context, strict);
}
out.write(']');
}
@Override
public void writeJSONString(final Writer out) throws IOException
{
writeJSONString(this, out, null, false);
}
@Override
public void writeJSONString(final Writer out, final boolean strict) throws IOException
{
writeJSONString(this, out, null, strict);
}
@Override
public void writeJSONString(final Writer out, final IJSONContext context) throws IOException
{
writeJSONString(this, out, context, false);
}
@Override
public void writeJSONString(final Writer out, final IJSONContext context, final boolean strict) throws IOException
{
writeJSONString(this, out, context, strict);
}
@Override
public boolean isArray(final int index)
{
return (get(index) instanceof List);
}
@Override
public boolean isBoolean(final int index)
{
return (get(index) instanceof Boolean);
}
@Override
public boolean isDouble(final int index)
{
return JSONUtils.isDouble(get(index));
}
@Override
public boolean isInteger(final int index)
{
return JSONUtils.isInteger(get(index));
}
@Override
public boolean isNull(final int index)
{
return (null == get(index));
}
@Override
public boolean isNumber(final int index)
{
return JSONUtils.isNumber(get(index));
}
@Override
public boolean isObject(final int index)
{
return (get(index) instanceof Map);
}
@Override
public boolean isString(final int index)
{
return (get(index) instanceof String);
}
@Override
public boolean isNativeFunction(int index)
{
return false;
}
@Override
public JSONArray getAsArray(final int index)
{
return JSONUtils.asArray(get(index));
}
@Override
public Boolean getAsBoolean(final int index)
{
final Object value = get(index);
if (value instanceof Boolean)
{
return ((Boolean) value);
}
return null;
}
@Override
public Double getAsDouble(final int index)
{
return JSONUtils.asDouble(get(index));
}
@Override
public Integer getAsInteger(final int index)
{
return JSONUtils.asInteger(get(index));
}
@Override
public Number getAsNumber(final int index)
{
return JSONUtils.asNumber(get(index));
}
@Override
public JSONObject getAsObject(final int index)
{
return JSONUtils.asObject(get(index));
}
@Override
public String getAsString(final int index)
{
final Object value = get(index);
if (value instanceof String)
{
return ((String) value);
}
return null;
}
@Override
public String toJSONString()
{
return JSONUtils.toJSONString(this, false);
}
public String toJSONString(final boolean strict)
{
return JSONUtils.toJSONString(this, strict);
}
@Override
public String toString()
{
return toJSONString();
}
@Override
public int hashCode()
{
return toString().hashCode();
}
@Override
public boolean equals(final Object other)
{
if (null == other)
{
return false;
}
if (this == other)
{
return true;
}
if (other instanceof JSONArray)
{
return toString().equals(other.toString());
}
if (other instanceof List)
{
return toString().equals(new JSONArray((List) other).toString());
}
return false;
}
@Override
public JSONType getJSONType(final int index)
{
final Object object = get(index);
if (null == object)
{
return JSONType.NULL;
}
if (object instanceof String)
{
return JSONType.STRING;
}
if (object instanceof Number)
{
if (null != JSONUtils.asNumber(object))
{
return JSONType.NUMBER;
}
return JSONType.UNDEFINED;
}
if (object instanceof Boolean)
{
return JSONType.BOOLEAN;
}
if (object instanceof Map)
{
return JSONType.OBJECT;
}
if (object instanceof List)
{
return JSONType.ARRAY;
}
if (object instanceof Date)
{
return JSONType.DATE;
}
return JSONType.UNDEFINED;
}
@Override
public boolean isJSONType(final int index, final JSONType type)
{
return (Objects.requireNonNull(type) == getJSONType(index));
}
}
