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org.xacml4j.v30.AttributeAssignment Maven / Gradle / Ivy
package org.xacml4j.v30;
/*
* #%L
* Xacml4J Core Engine Implementation
* %%
* Copyright (C) 2009 - 2014 Xacml4J.org
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import org.xacml4j.v30.pdp.AttributeAssignmentExpression;
import com.google.common.base.Objects;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
public class AttributeAssignment
{
private final AttributeExp attribute;
private final CategoryId category;
private final String attributeId;
private final String issuer;
/**
* Creates attribute assignment with a
* given attribute identifier
*
* @param b attribute assignment builder
*/
private AttributeAssignment(Builder b)
{
Preconditions.checkNotNull(b.attributeId, "Attribute id can't be null");
Preconditions.checkNotNull(b.value, "Attribute value can't be null");
this.attributeId = b.attributeId;
this.category = b.category;
this.issuer = b.issuer;
this.attribute = b.value;
}
public static Builder builder(){
return new Builder();
}
/**
* Gets attribute identifier
*
* @return attribute identifier
*/
public String getAttributeId(){
return attributeId;
}
/**
* Gets attribute value
*
* @return attribute value
*/
public AttributeExp getAttribute(){
return attribute;
}
/**
* Gets attribute category
*
* @return attribute category
*/
public CategoryId getCategory(){
return category;
}
/**
* Gets attribute issuer identifier
*
* @return attribute issuer
*/
public String getIssuer(){
return issuer;
}
@Override
public int hashCode(){
return Objects.hashCode(
attributeId,
category,
attribute,
issuer);
}
@Override
public String toString(){
return Objects.toStringHelper(this)
.add("attributeId", attributeId)
.add("category", category)
.add("value", attribute)
.add("issuer", issuer).toString();
}
@Override
public boolean equals(Object o){
if(o == this){
return true;
}
if(o == null){
return false;
}
if(!(o instanceof AttributeAssignment)){
return false;
}
AttributeAssignment a = (AttributeAssignment)o;
return attributeId.equals(a.attributeId) &&
attribute.equals(a.attribute) &&
Objects.equal(category, a.category) &&
Objects.equal(issuer, a.issuer);
}
public static class Builder
{
private String attributeId;
private CategoryId category;
private String issuer;
private AttributeExp value;
public Builder id(String attributeId){
Preconditions.checkNotNull(attributeId);
this.attributeId = attributeId;
return this;
}
/**
* Copies all state from a given {@link AttributeAssignmentExpression}
* except attribute value expression
*
* @param attrAssigExp attribute assignment expression
* @return {@link Builder}
*/
public Builder from(AttributeAssignmentExpression attrAssigExp)
{
this.attributeId = attrAssigExp.getAttributeId();
this.category = attrAssigExp.getCategory();
this.issuer = attrAssigExp.getIssuer();
return this;
}
public Builder category(CategoryId category){
this.category = category;
return this;
}
public Builder category(String category){
this.category = !Strings.isNullOrEmpty(category)?Categories.parse(category):null;
return this;
}
public Builder issuer(String issuer){
this.issuer = issuer;
return this;
}
public Builder value(AttributeExp v){
Preconditions.checkNotNull(v);
this.value = v;
return this;
}
public AttributeAssignment build(){
return new AttributeAssignment(this);
}
}
}