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//
// MessagePack for Java
//
// 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.msgpack.value;
import org.msgpack.value.impl.ImmutableArrayValueImpl;
import org.msgpack.value.impl.ImmutableBigIntegerValueImpl;
import org.msgpack.value.impl.ImmutableBinaryValueImpl;
import org.msgpack.value.impl.ImmutableBooleanValueImpl;
import org.msgpack.value.impl.ImmutableDoubleValueImpl;
import org.msgpack.value.impl.ImmutableExtensionValueImpl;
import org.msgpack.value.impl.ImmutableLongValueImpl;
import org.msgpack.value.impl.ImmutableMapValueImpl;
import org.msgpack.value.impl.ImmutableNilValueImpl;
import org.msgpack.value.impl.ImmutableStringValueImpl;
import java.math.BigInteger;
import java.util.AbstractMap;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
public final class ValueFactory
{
private ValueFactory()
{
}
public static ImmutableNilValue newNil()
{
return ImmutableNilValueImpl.get();
}
public static ImmutableBooleanValue newBoolean(boolean v)
{
return v ? ImmutableBooleanValueImpl.TRUE : ImmutableBooleanValueImpl.FALSE;
}
public static ImmutableIntegerValue newInteger(byte v)
{
return new ImmutableLongValueImpl(v);
}
public static ImmutableIntegerValue newInteger(short v)
{
return new ImmutableLongValueImpl(v);
}
public static ImmutableIntegerValue newInteger(int v)
{
return new ImmutableLongValueImpl(v);
}
public static ImmutableIntegerValue newInteger(long v)
{
return new ImmutableLongValueImpl(v);
}
public static ImmutableIntegerValue newInteger(BigInteger v)
{
return new ImmutableBigIntegerValueImpl(v);
}
public static ImmutableFloatValue newFloat(float v)
{
return new ImmutableDoubleValueImpl(v);
}
public static ImmutableFloatValue newFloat(double v)
{
return new ImmutableDoubleValueImpl(v);
}
public static ImmutableBinaryValue newBinary(byte[] b)
{
return newBinary(b, false);
}
public static ImmutableBinaryValue newBinary(byte[] b, boolean omitCopy)
{
if (omitCopy) {
return new ImmutableBinaryValueImpl(b);
}
else {
return new ImmutableBinaryValueImpl(Arrays.copyOf(b, b.length));
}
}
public static ImmutableBinaryValue newBinary(byte[] b, int off, int len)
{
return newBinary(b, off, len, false);
}
public static ImmutableBinaryValue newBinary(byte[] b, int off, int len, boolean omitCopy)
{
if (omitCopy && off == 0 && len == b.length) {
return new ImmutableBinaryValueImpl(b);
}
else {
return new ImmutableBinaryValueImpl(Arrays.copyOfRange(b, off, len));
}
}
public static ImmutableStringValue newString(String s)
{
return new ImmutableStringValueImpl(s);
}
public static ImmutableStringValue newString(byte[] b)
{
return new ImmutableStringValueImpl(b);
}
public static ImmutableStringValue newString(byte[] b, boolean omitCopy)
{
if (omitCopy) {
return new ImmutableStringValueImpl(b);
}
else {
return new ImmutableStringValueImpl(Arrays.copyOf(b, b.length));
}
}
public static ImmutableStringValue newString(byte[] b, int off, int len)
{
return newString(b, off, len, false);
}
public static ImmutableStringValue newString(byte[] b, int off, int len, boolean omitCopy)
{
if (omitCopy && off == 0 && len == b.length) {
return new ImmutableStringValueImpl(b);
}
else {
return new ImmutableStringValueImpl(Arrays.copyOfRange(b, off, len));
}
}
public static ImmutableArrayValue newArray(List<? extends Value> list)
{
if (list.isEmpty()) {
return ImmutableArrayValueImpl.empty();
}
Value[] array = list.toArray(new Value[list.size()]);
return new ImmutableArrayValueImpl(array);
}
public static ImmutableArrayValue newArray(Value... array)
{
if (array.length == 0) {
return ImmutableArrayValueImpl.empty();
}
else {
return new ImmutableArrayValueImpl(Arrays.copyOf(array, array.length));
}
}
public static ImmutableArrayValue newArray(Value[] array, boolean omitCopy)
{
if (array.length == 0) {
return ImmutableArrayValueImpl.empty();
}
else if (omitCopy) {
return new ImmutableArrayValueImpl(array);
}
else {
return new ImmutableArrayValueImpl(Arrays.copyOf(array, array.length));
}
}
public static ImmutableArrayValue emptyArray()
{
return ImmutableArrayValueImpl.empty();
}
public static <K extends Value, V extends Value>
ImmutableMapValue newMap(Map<K, V> map)
{
Value[] kvs = new Value[map.size() * 2];
int index = 0;
for (Map.Entry<K, V> pair : map.entrySet()) {
kvs[index] = pair.getKey();
index++;
kvs[index] = pair.getValue();
index++;
}
return new ImmutableMapValueImpl(kvs);
}
public static ImmutableMapValue newMap(Value... kvs)
{
if (kvs.length == 0) {
return ImmutableMapValueImpl.empty();
}
else {
return new ImmutableMapValueImpl(Arrays.copyOf(kvs, kvs.length));
}
}
public static ImmutableMapValue newMap(Value[] kvs, boolean omitCopy)
{
if (kvs.length == 0) {
return ImmutableMapValueImpl.empty();
}
else if (omitCopy) {
return new ImmutableMapValueImpl(kvs);
}
else {
return new ImmutableMapValueImpl(Arrays.copyOf(kvs, kvs.length));
}
}
public static ImmutableMapValue emptyMap()
{
return ImmutableMapValueImpl.empty();
}
public static MapValue newMap(Map.Entry<? extends Value, ? extends Value>... pairs)
{
Value[] kvs = new Value[pairs.length * 2];
for (int i = 0; i < pairs.length; i += 2) {
kvs[i * 2] = pairs[i].getKey();
kvs[i * 2 + 1] = pairs[i].getValue();
}
return newMap(kvs, true);
}
public static MapBuilder newMapBuilder()
{
return new MapBuilder();
}
public static Map.Entry<Value, Value> newMapEntry(Value key, Value value)
{
return new AbstractMap.SimpleEntry<Value, Value>(key, value);
}
public static class MapBuilder
{
private final Map<Value, Value> map = new LinkedHashMap<Value, Value>();
public MapBuilder()
{
}
public MapValue build()
{
return newMap(map);
}
public MapBuilder put(Map.Entry<? extends Value, ? extends Value> pair)
{
put(pair.getKey(), pair.getValue());
return this;
}
public MapBuilder put(Value key, Value value)
{
map.put(key, value);
return this;
}
public MapBuilder putAll(Iterable<? extends Map.Entry<? extends Value, ? extends Value>> entries)
{
for (Map.Entry<? extends Value, ? extends Value> entry : entries) {
put(entry.getKey(), entry.getValue());
}
return this;
}
public MapBuilder putAll(Map<? extends Value, ? extends Value> map)
{
for (Map.Entry<? extends Value, ? extends Value> entry : map.entrySet()) {
put(entry);
}
return this;
}
}
public static ImmutableExtensionValue newExtension(byte type, byte[] data)
{
return new ImmutableExtensionValueImpl(type, data);
}
}