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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 * 
 *      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 org.apache.catalina.deploy;


/**
 * Representation of a resource reference for a web application, as
 * represented in a <resource-ref> element in the
 * deployment descriptor.
 *
 * @author Craig R. McClanahan
 * @author Peter Rossbach ([email protected])
 * @version $Id: ContextResource.java 1226539 2012-01-02 20:18:01Z markt $
 */
public class ContextResource extends ResourceBase {

    private static final long serialVersionUID = 1L;

    // ------------------------------------------------------------- Properties


    /**
     * The authorization requirement for this resource
     * (Application or Container).
     */
    private String auth = null;

    public String getAuth() {
        return (this.auth);
    }

    public void setAuth(String auth) {
        this.auth = auth;
    }

    /**
     * The sharing scope of this resource factory (Shareable
     * or Unshareable).
     */
    private String scope = "Shareable";

    public String getScope() {
        return (this.scope);
    }

    public void setScope(String scope) {
        this.scope = scope;
    }


    /**
     * Is this resource known to be a singleton resource. The default value is
     * true since this is what users expect although the JavaEE spec implies
     * that the default should be false.
     */
    private boolean singleton = true;
    
    public boolean getSingleton() {
        return singleton;
    }
    
    public void setSingleton(boolean singleton) {
        this.singleton = singleton;
    }


    /**
     * The name of the zero argument method to be called when the resource is
     * no longer required to clean-up resources. This method must only speed up
     * the clean-up of resources that would otherwise happen via garbage
     * collection.
     */
    private String closeMethod = null;
    
    public String getCloseMethod() {
        return closeMethod;
    }

    public void setCloseMethod(String closeMethod) {
        this.closeMethod = closeMethod;
    }


    // --------------------------------------------------------- Public Methods


    /**
     * Return a String representation of this object.
     */
    @Override
    public String toString() {

        StringBuilder sb = new StringBuilder("ContextResource[");
        sb.append("name=");
        sb.append(getName());
        if (getDescription() != null) {
            sb.append(", description=");
            sb.append(getDescription());
        }
        if (getType() != null) {
            sb.append(", type=");
            sb.append(getType());
        }
        if (auth != null) {
            sb.append(", auth=");
            sb.append(auth);
        }
        if (scope != null) {
            sb.append(", scope=");
            sb.append(scope);
        }
        sb.append("]");
        return (sb.toString());
    }


    @Override
    public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + ((auth == null) ? 0 : auth.hashCode());
        result = prime * result +
                ((closeMethod == null) ? 0 : closeMethod.hashCode());
        result = prime * result + ((scope == null) ? 0 : scope.hashCode());
        result = prime * result + (singleton ? 1231 : 1237);
        return result;
    }


    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (!super.equals(obj)) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        ContextResource other = (ContextResource) obj;
        if (auth == null) {
            if (other.auth != null) {
                return false;
            }
        } else if (!auth.equals(other.auth)) {
            return false;
        }
        if (closeMethod == null) {
            if (other.closeMethod != null) {
                return false;
            }
        } else if (!closeMethod.equals(other.closeMethod)) {
            return false;
        }
        if (scope == null) {
            if (other.scope != null) {
                return false;
            }
        } else if (!scope.equals(other.scope)) {
            return false;
        }
        if (singleton != other.singleton) {
            return false;
        }
        return true;
    }
}