org.apache.juneau.http.EntityValidator Maven / Gradle / Ivy
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// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file *
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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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// ***************************************************************************************************************************
package org.apache.juneau.http;
/**
* Represents a validator value.
*
*
*
Example
*
* ETag: "123456789" – A strong ETag validator
* ETag: W/"123456789" – A weak ETag validator
*
*
* Additional Information
*
*/
public class EntityValidator {
private final String value;
private final boolean isWeak;
/**
* Constructor.
*
* @param value The validator string value.
*/
protected EntityValidator(String value) {
value = value.trim();
isWeak = value.startsWith("W/");
if (isWeak)
value = value.substring(2);
if (value.length() > 1 && value.charAt(0) == '"' && value.charAt(value.length()-1) == '"')
value = value.substring(1, value.length()-1);
this.value = value;
}
/**
* Returns the validator value stripped of quotes and weak tag.
*
* @return The validator value.
*/
public String asString() {
return value;
}
/**
* Returns true if the weak flag is present in the value.
*
* @return true if the weak flag is present in the value.
*/
public boolean isWeak() {
return isWeak;
}
/**
* Returns true if the validator string value is *.
*
* @return true if the validator string value is *.
*/
public boolean isAny() {
return "*".equals(value);
}
@Override
public String toString() {
return (isWeak ? "W/" : "") + (isAny() ? "*" : ('"' + value + '"'));
}
}