com.facebook.presto.jdbc.internal.apache.http.config.MessageConstraints Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
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*
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*/
package com.facebook.presto.jdbc.internal.apache.http.config;
import com.facebook.presto.jdbc.internal.apache.http.util.Args;
/**
* HTTP Message constraints: line length and header count.
*
* Please note that line length is defined in bytes and not characters.
* This is only relevant however when using non-standard HTTP charsets
* for protocol elements such as UTF-8.
*
*
* @since 4.3
*/
public class MessageConstraints implements Cloneable {
public static final MessageConstraints DEFAULT = new Builder().build();
private final int maxLineLength;
private final int maxHeaderCount;
MessageConstraints(final int maxLineLength, final int maxHeaderCount) {
super();
this.maxLineLength = maxLineLength;
this.maxHeaderCount = maxHeaderCount;
}
public int getMaxLineLength() {
return maxLineLength;
}
public int getMaxHeaderCount() {
return maxHeaderCount;
}
@Override
protected MessageConstraints clone() throws CloneNotSupportedException {
return (MessageConstraints) super.clone();
}
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("[maxLineLength=").append(maxLineLength)
.append(", maxHeaderCount=").append(maxHeaderCount)
.append("]");
return builder.toString();
}
public static MessageConstraints lineLen(final int max) {
return new MessageConstraints(Args.notNegative(max, "Max line length"), -1);
}
public static MessageConstraints.Builder custom() {
return new Builder();
}
public static MessageConstraints.Builder copy(final MessageConstraints config) {
Args.notNull(config, "Message constraints");
return new Builder()
.setMaxHeaderCount(config.getMaxHeaderCount())
.setMaxLineLength(config.getMaxLineLength());
}
public static class Builder {
private int maxLineLength;
private int maxHeaderCount;
Builder() {
this.maxLineLength = -1;
this.maxHeaderCount = -1;
}
public Builder setMaxLineLength(final int maxLineLength) {
this.maxLineLength = maxLineLength;
return this;
}
public Builder setMaxHeaderCount(final int maxHeaderCount) {
this.maxHeaderCount = maxHeaderCount;
return this;
}
public MessageConstraints build() {
return new MessageConstraints(maxLineLength, maxHeaderCount);
}
}
}
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