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 *
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
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package org.glassfish.web.deployment.descriptor;

import com.sun.enterprise.deployment.web.WebResourceCollection;
import org.glassfish.deployment.common.Descriptor;

import java.util.HashSet;
import java.util.Set;

/** 
 * This descriptor represents a description of a portion of a web app
 * in terms of a collection of url patterns and 
 * a collection of http methods on this patterns.
 *
 *@author Danny Coward
 */


public class WebResourceCollectionImpl extends Descriptor
				implements WebResourceCollection 
{
    private Set urlPatterns;
    private Set httpMethods;
    private Set httpMethodOmissions;
    
    public WebResourceCollectionImpl() {
    }

    public WebResourceCollectionImpl(WebResourceCollectionImpl other) {
        if (other.urlPatterns != null) {
            this.urlPatterns = new HashSet(other.urlPatterns);
        }
        if (other.httpMethods != null) {
            this.httpMethods = new HashSet(other.httpMethods);
        }
        if (other.httpMethodOmissions != null) {
            this.httpMethodOmissions = new HashSet(other.httpMethodOmissions);
        }
    }

    /** 
     * Return my urls patterns (String objects)
     * @return the set of the url patterns.
     */
    public Set getUrlPatterns() {
        if (this.urlPatterns == null) {
            this.urlPatterns = new HashSet();
	    }
        return this.urlPatterns;
    }
    
    /**
     * Add a URL pattern to this collection.
     * @param the url pattern to be added.
     */
    public void addUrlPattern(String urlPattern) {
        this.getUrlPatterns().add(urlPattern);
    }
    
    /**
     * Remove the specified url pattern from the collection.
     * @param the url pattern to be removed.
     */
    public void removeUrlPattern(String urlPattern) {
        this.getUrlPatterns().remove(urlPattern);
    }
    
    /**
     * Clean out the collection of URL pattern and replace
     * it with the given Set of (String) url patterns.
     * @param the url patterns to replace the current set. 
     */
    public void setUrlPatterns(Set urlPatterns) {
        this.urlPatterns = urlPatterns;
    }
    
    /**
     * Return the enumeration of HTTP methods this collection has.
     * @return the enumeration of HTTP methods.
     */
    public Set getHttpMethods() {
        if (this.httpMethods == null) {
            this.httpMethods = new HashSet();
        }    
        return this.httpMethods;
    }

    /** 
     * Returns the HttpMethods this collection has in an array of strings
     * This is added to speed up processing while creating webresource permissions
     * @return array of strings of HttpMethods
     */
    public String[] getHttpMethodsAsArray(){
        if (httpMethods == null){
            return (String[]) null;
        }
        return httpMethods.toArray(new String[httpMethods.size()]);
    }

    /**
     * Sets the set of HTTP methods this collection has.
     * @param the set of HTTP methods.
     */
    public void setHttpMethods(Set httpMethods) {
        this.httpMethods = httpMethods;
    }

    /**
     * Adds the given HTTP method to the collection of http methods this
     * collection has.
     * @param the HTTP method to be added.
     */
    public void addHttpMethod(String httpMethod) {
        this.getHttpMethods().add(httpMethod);
    }
    
    /**
     * Removes the given HTTP method from the collection of http methods.
     * @param the HTTP method to be removed.
     */
    public void removeHttpMethod(String httpMethod) {
        this.getHttpMethods().remove(httpMethod);    
    }

    /**
     * Return the set of HTTP method omissions this collection has.
     * @return the set of HTTP method omissions.
     */
    public Set getHttpMethodOmissions() {
        if (this.httpMethodOmissions == null) {
            this.httpMethodOmissions = new HashSet();
        }
        return this.httpMethodOmissions;
    }

    /** 
     * Returns the HttpMethodOmissions this collection has in an array of strings
     * This is added to speed up processing while creating webresource permissions
     * @return array of strings of HttpMethodOmissions
     */
    public String[] getHttpMethodOmissionsAsArray(){
        if (httpMethodOmissions == null){
            return (String[]) null;
        }
        return httpMethodOmissions.toArray(new String[httpMethodOmissions.size()]);
    }
    /**
     * Sets the set of HTTP method omissions this collection has.
     * @param the set of HTTP method omissions.
     */
    public void setHttpMethodOmissions(Set httpMethodOmissions) {
        this.httpMethodOmissions = httpMethodOmissions;
    }

    /**
     * Adds the given HTTP method omission to the collection of http methods this
     * collection has.
     * @param the HTTP method to be added.
     */
    public void addHttpMethodOmission(String httpMethodOmission) {
        this.getHttpMethodOmissions().add(httpMethodOmission);
    }
    
    /**
     * Removes the given HTTP method omission from the collection of http methods.
     * @param the HTTP method to be removed.
     */
    public void removeHttpMethodOmission(String httpMethodOmission) {
        this.getHttpMethodOmissions().remove(httpMethodOmission);    
    }

    /**
     * A formatted string of the state.
     */
    public void print(StringBuffer toStringBuffer) {
        toStringBuffer.append("WebresourceCollection: ");
        toStringBuffer.append(" urlPatterns: ").append(this.urlPatterns);
        toStringBuffer.append(" httpMethods ").append(this.httpMethods);
        toStringBuffer.append(" httpMethodOmissions ").append(this.httpMethodOmissions);
    }
}