com.helger.http.csp.ICSPDirective Maven / Gradle / Ivy
/**
* Copyright (C) 2014-2020 Philip Helger (www.helger.com)
* philip[at]helger[dot]com
*
* 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 com.helger.http.csp;
import java.io.Serializable;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import com.helger.commons.annotation.Nonempty;
import com.helger.commons.name.IHasName;
import com.helger.commons.string.StringHelper;
/**
* A single CSP directive. It's a name-value-pair.
*
* @author Philip Helger
*/
public interface ICSPDirective extends IHasName, Serializable
{
/**
* @return The name of this directive.
*/
@Nonnull
@Nonempty
String getName ();
/**
* @return The value of this directive. May be null
or empty.
*/
@Nullable
String getValue ();
default boolean hasValue ()
{
return StringHelper.hasText (getValue ());
}
@Nonnull
@Nonempty
default String getAsString ()
{
return StringHelper.getConcatenatedOnDemand (getName (), ' ', getValue ());
}
@Nullable
default String getAsStringIfHasValue ()
{
final String sValue = getValue ();
if (StringHelper.hasText (sValue))
return getName () + ' ' + sValue;
return null;
}
}
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