org.symphonyoss.s2.common.dom.json.JsonObject Maven / Gradle / Ivy
/*
*
*
* Copyright 2017 Symphony Communication Services, LLC.
*
* Licensed to The Symphony Software Foundation (SSF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The SSF licenses this file
* to you 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.symphonyoss.s2.common.dom.json;
import java.io.IOException;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import javax.annotation.Nullable;
import org.symphonyoss.s2.common.dom.DomWriter;
import org.symphonyoss.s2.common.dom.TypeAdaptor;
import org.symphonyoss.s2.common.type.provider.IBooleanProvider;
import org.symphonyoss.s2.common.type.provider.IByteStringProvider;
import org.symphonyoss.s2.common.type.provider.IDoubleProvider;
import org.symphonyoss.s2.common.type.provider.IFloatProvider;
import org.symphonyoss.s2.common.type.provider.IIntegerProvider;
import org.symphonyoss.s2.common.type.provider.ILongProvider;
import org.symphonyoss.s2.common.type.provider.IStringProvider;
import com.google.protobuf.ByteString;
public abstract class JsonObject implements IJsonObject
{
public static final String OPEN_QUOTE = "\"";
public static final String CLOSE_QUOTE = "\":";
public static final int QUOTE_MARGIN = OPEN_QUOTE.length() + CLOSE_QUOTE.length() + 1;
public abstract MutableJsonObject mutify();
@Override
public JsonObject writeTo(DomWriter writer, @Nullable String terminator) throws IOException
{
Iterator it;
int maxNameLen;
if(writer.isCanonicalMode())
{
it = getSortedNameIterator();
maxNameLen = 0;
}
else
{
maxNameLen = getMaxNameLen();
while(maxNameLen % writer.getTabSize() != 0)
maxNameLen++;
it = getNameIterator();
}
writer.openBlock("{");
while(it.hasNext())
{
String name = it.next();
writer.writeColumn(OPEN_QUOTE, name, CLOSE_QUOTE, maxNameLen);
nullSafeGet(name).writeTo(writer, it.hasNext() ? "," : null);
}
writer.closeBlock("}", terminator);
return this;
}
/*
* We only call this method with keys which we know to be present as they are
* iterated from one of the lists of keys. This method is needed to avoid a compile
* error from the checker framework (build with the checker maven profile).
*/
@SuppressWarnings("nullness")
private IJsonDomNode nullSafeGet(String name)
{
return get(name);
}
@Override
public IJsonObject getObject(String name)
{
N node = get(name);
if(node == null)
return null;
if(node instanceof IJsonObject)
return (IJsonObject) node;
throw new IllegalStateException("\"" + name + "\" is not an object");
}
@Override
public IJsonObject getRequiredObject(String name)
{
IJsonObject object = getObject(name);
if(object == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
return object;
}
@Override
public String getString(String name, String defaultValue)
{
N node = get(name);
if(node == null)
return defaultValue;
if(node instanceof IStringProvider)
return ((IStringProvider) node).asString();
throw new IllegalStateException("\"" + name + "\" is not a String");
}
@Override
public String getRequiredString(String name)
{
N node = get(name);
if(node == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
if(node instanceof IStringProvider)
return ((IStringProvider) node).asString();
throw new IllegalStateException("\"" + name + "\" is not a String");
}
@Override
public Integer getInteger(String name, Integer defaultValue)
{
N node = get(name);
if(node == null)
return defaultValue;
if(node instanceof IIntegerProvider)
return ((IIntegerProvider) node).asInteger();
throw new IllegalStateException("\"" + name + "\" is not a Integer");
}
@Override
public Integer getRequiredInteger(String name)
{
N node = get(name);
if(node == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
if(node instanceof IIntegerProvider)
return ((IIntegerProvider) node).asInteger();
throw new IllegalStateException("\"" + name + "\" is not a Integer");
}
@Override
public Long getLong(String name, Long defaultValue)
{
N node = get(name);
if(node == null)
return defaultValue;
if(node instanceof ILongProvider)
return ((ILongProvider) node).asLong();
throw new IllegalStateException("\"" + name + "\" is not a Long");
}
@Override
public Long getRequiredLong(String name)
{
N node = get(name);
if(node == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
if(node instanceof ILongProvider)
return ((ILongProvider) node).asLong();
throw new IllegalStateException("\"" + name + "\" is not a Long");
}
@Override
public Float getFloat(String name, Float defaultValue)
{
N node = get(name);
if(node == null)
return defaultValue;
if(node instanceof IFloatProvider)
return ((IFloatProvider) node).asFloat();
throw new IllegalStateException("\"" + name + "\" is not a Float");
}
@Override
public Float getRequiredFloat(String name)
{
N node = get(name);
if(node == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
if(node instanceof IFloatProvider)
return ((IFloatProvider) node).asFloat();
throw new IllegalStateException("\"" + name + "\" is not a Float");
}
@Override
public Double getDouble(String name, Double defaultValue)
{
N node = get(name);
if(node == null)
return defaultValue;
if(node instanceof IDoubleProvider)
return ((IDoubleProvider) node).asDouble();
throw new IllegalStateException("\"" + name + "\" is not a Double");
}
@Override
public Double getRequiredDouble(String name)
{
N node = get(name);
if(node == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
if(node instanceof IDoubleProvider)
return ((IDoubleProvider) node).asDouble();
throw new IllegalStateException("\"" + name + "\" is not a Double");
}
@Override
public ByteString getByteString(String name, ByteString defaultValue)
{
N node = get(name);
if(node == null)
return defaultValue;
if(node instanceof IByteStringProvider)
return ((IByteStringProvider) node).asByteString();
throw new IllegalStateException("\"" + name + "\" is not a ByteString");
}
@Override
public ByteString getRequiredByteString(String name)
{
N node = get(name);
if(node == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
if(node instanceof IByteStringProvider)
return ((IByteStringProvider) node).asByteString();
throw new IllegalStateException("\"" + name + "\" is not a ByteString");
}
@Override
public Boolean getBoolean(String name, Boolean defaultValue)
{
N node = get(name);
if(node == null)
return defaultValue;
if(node instanceof IBooleanProvider)
return ((IBooleanProvider) node).asBoolean();
throw new IllegalStateException("\"" + name + "\" is not a Boolean");
}
@Override
public Boolean getRequiredBoolean(String name)
{
N node = get(name);
if(node == null)
throw new IllegalStateException("\"" + name + "\" does not exist");
if(node instanceof IBooleanProvider)
return ((IBooleanProvider) node).asBoolean();
throw new IllegalStateException("\"" + name + "\" is not a Boolean");
}
/**
* Return the string value of the given field.
*
* @param name The name of the required field.
*
* @return The value of the field.
*
* @throws IllegalArgumentException if the field does not exist or is not a string value.
*
* @deprecated call getRequiredString() instead.
*/
@Deprecated
public String getString(String name)
{
N node = get(name);
if(node == null)
throw new IllegalArgumentException("\"" + name + "\" does not exist");
if(node instanceof IStringProvider)
return ((IStringProvider) node).asString();
throw new IllegalArgumentException("\"" + name + "\" is not a String");
}
public List getListOf(Class type, String name)
{
List result = new LinkedList<>();
IJsonDomNode node = get(name);
if(node instanceof IJsonArray)
{
for(IJsonDomNode v : ((IJsonArray)node))
result.add( TypeAdaptor.adapt(type, v));
}
return result;
}
}