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Java example source code file (InternalAttribute.java)
This example Java source code file (InternalAttribute.java) is included in the alvinalexander.com
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The InternalAttribute.java Java example source code
/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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 io.netty.handler.codec.http.multipart;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.AbstractReferenceCounted;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
/**
* This Attribute is only for Encoder use to insert special command between object if needed
* (like Multipart Mixed mode)
*/
final class InternalAttribute extends AbstractReferenceCounted implements InterfaceHttpData {
private final List<ByteBuf> value = new ArrayList();
private final Charset charset;
private int size;
InternalAttribute(Charset charset) {
this.charset = charset;
}
@Override
public HttpDataType getHttpDataType() {
return HttpDataType.InternalAttribute;
}
public void addValue(String value) {
if (value == null) {
throw new NullPointerException("value");
}
ByteBuf buf = Unpooled.copiedBuffer(value, charset);
this.value.add(buf);
size += buf.readableBytes();
}
public void addValue(String value, int rank) {
if (value == null) {
throw new NullPointerException("value");
}
ByteBuf buf = Unpooled.copiedBuffer(value, charset);
this.value.add(rank, buf);
size += buf.readableBytes();
}
public void setValue(String value, int rank) {
if (value == null) {
throw new NullPointerException("value");
}
ByteBuf buf = Unpooled.copiedBuffer(value, charset);
ByteBuf old = this.value.set(rank, buf);
if (old != null) {
size -= old.readableBytes();
old.release();
}
size += buf.readableBytes();
}
@Override
public int hashCode() {
return getName().hashCode();
}
@Override
public boolean equals(Object o) {
if (!(o instanceof InternalAttribute)) {
return false;
}
InternalAttribute attribute = (InternalAttribute) o;
return getName().equalsIgnoreCase(attribute.getName());
}
@Override
public int compareTo(InterfaceHttpData o) {
if (!(o instanceof InternalAttribute)) {
throw new ClassCastException("Cannot compare " + getHttpDataType() +
" with " + o.getHttpDataType());
}
return compareTo((InternalAttribute) o);
}
public int compareTo(InternalAttribute o) {
return getName().compareToIgnoreCase(o.getName());
}
@Override
public String toString() {
StringBuilder result = new StringBuilder();
for (ByteBuf elt : value) {
result.append(elt.toString(charset));
}
return result.toString();
}
public int size() {
return size;
}
public ByteBuf toByteBuf() {
return Unpooled.compositeBuffer().addComponents(value).writerIndex(size()).readerIndex(0);
}
@Override
public String getName() {
return "InternalAttribute";
}
@Override
protected void deallocate() {
// Do nothing
}
@Override
public InterfaceHttpData retain() {
for (ByteBuf buf: value) {
buf.retain();
}
return this;
}
@Override
public InterfaceHttpData retain(int increment) {
for (ByteBuf buf: value) {
buf.retain(increment);
}
return this;
}
@Override
public InterfaceHttpData touch() {
for (ByteBuf buf: value) {
buf.touch();
}
return this;
}
@Override
public InterfaceHttpData touch(Object hint) {
for (ByteBuf buf: value) {
buf.touch(hint);
}
return this;
}
}
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