io.netty.handler.codec.http.multipart.AbstractHttpData Maven / Gradle / Ivy
/*
* 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:
*
* https://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 static io.netty.util.internal.ObjectUtil.checkNonEmpty;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelException;
import io.netty.handler.codec.http.HttpConstants;
import io.netty.util.AbstractReferenceCounted;
import io.netty.util.internal.ObjectUtil;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.regex.Pattern;
/**
* Abstract HttpData implementation
*/
public abstract class AbstractHttpData extends AbstractReferenceCounted implements HttpData {
private static final Pattern STRIP_PATTERN = Pattern.compile("(?:^\\s+|\\s+$|\\n)");
private static final Pattern REPLACE_PATTERN = Pattern.compile("[\\r\\t]");
private final String name;
protected long definedSize;
protected long size;
private Charset charset = HttpConstants.DEFAULT_CHARSET;
private boolean completed;
private long maxSize = DefaultHttpDataFactory.MAXSIZE;
protected AbstractHttpData(String name, Charset charset, long size) {
ObjectUtil.checkNotNull(name, "name");
name = REPLACE_PATTERN.matcher(name).replaceAll(" ");
name = STRIP_PATTERN.matcher(name).replaceAll("");
this.name = checkNonEmpty(name, "name");
if (charset != null) {
setCharset(charset);
}
definedSize = size;
}
@Override
public long getMaxSize() {
return maxSize;
}
@Override
public void setMaxSize(long maxSize) {
this.maxSize = maxSize;
}
@Override
public void checkSize(long newSize) throws IOException {
if (maxSize >= 0 && newSize > maxSize) {
throw new IOException("Size exceed allowed maximum capacity");
}
}
@Override
public String getName() {
return name;
}
@Override
public boolean isCompleted() {
return completed;
}
protected void setCompleted() {
completed = true;
}
@Override
public Charset getCharset() {
return charset;
}
@Override
public void setCharset(Charset charset) {
this.charset = ObjectUtil.checkNotNull(charset, "charset");
}
@Override
public long length() {
return size;
}
@Override
public long definedLength() {
return definedSize;
}
@Override
public ByteBuf content() {
try {
return getByteBuf();
} catch (IOException e) {
throw new ChannelException(e);
}
}
@Override
protected void deallocate() {
delete();
}
@Override
public HttpData retain() {
super.retain();
return this;
}
@Override
public HttpData retain(int increment) {
super.retain(increment);
return this;
}
@Override
public abstract HttpData touch();
@Override
public abstract HttpData touch(Object hint);
}
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