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Tomcat example source code file (SecurityCollection.java)

This example Tomcat source code file (SecurityCollection.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

io, log, securitycollection, securitycollection, serializable, serializable, string, string, stringbuffer, stringbuffer, suspicious

The Tomcat SecurityCollection.java source code

/*
 * 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;


import org.apache.catalina.util.RequestUtil;

import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;

import java.io.Serializable;


/**
 * Representation of a web resource collection for a web application's security
 * constraint, as represented in a <code><web-resource-collection>
 * element in the deployment descriptor.
 * <p>
 * <b>WARNING:  It is assumed that instances of this class will be created
 * and modified only within the context of a single thread, before the instance
 * is made visible to the remainder of the application.  After that, only read
 * access is expected.  Therefore, none of the read and write access within
 * this class is synchronized.
 *
 * @author Craig R. McClanahan
 * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
 */

public class SecurityCollection implements Serializable {

    private static Log log = LogFactory.getLog(SecurityCollection.class);


    // ----------------------------------------------------------- Constructors


    /**
     * Construct a new security collection instance with default values.
     */
    public SecurityCollection() {

        this(null, null);

    }


    /**
     * Construct a new security collection instance with specified values.
     *
     * @param name Name of this security collection
     */
    public SecurityCollection(String name) {

        this(name, null);

    }


    /**
     * Construct a new security collection instance with specified values.
     *
     * @param name Name of this security collection
     * @param description Description of this security collection
     */
    public SecurityCollection(String name, String description) {

        super();
        setName(name);
        setDescription(description);

    }


    // ----------------------------------------------------- Instance Variables


    /**
     * Description of this web resource collection.
     */
    private String description = null;


    /**
     * The HTTP methods covered by this web resource collection.
     */
    private String methods[] = new String[0];


    /**
     * The name of this web resource collection.
     */
    private String name = null;


    /**
     * The URL patterns protected by this security collection.
     */
    private String patterns[] = new String[0];


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


    /**
     * Return the description of this web resource collection.
     */
    public String getDescription() {

        return (this.description);

    }


    /**
     * Set the description of this web resource collection.
     *
     * @param description The new description
     */
    public void setDescription(String description) {

        this.description = description;

    }


    /**
     * Return the name of this web resource collection.
     */
    public String getName() {

        return (this.name);

    }


    /**
     * Set the name of this web resource collection
     *
     * @param name The new name
     */
    public void setName(String name) {

        this.name = name;

    }


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


    /**
     * Add an HTTP request method to be part of this web resource collection.
     */
    public void addMethod(String method) {

        if (method == null)
            return;
        String results[] = new String[methods.length + 1];
        for (int i = 0; i < methods.length; i++)
            results[i] = methods[i];
        results[methods.length] = method;
        methods = results;

    }


    /**
     * Add a URL pattern to be part of this web resource collection.
     */
    public void addPattern(String pattern) {

        if (pattern == null)
            return;

        // Bugzilla 34805: add friendly warning.
        if(pattern.endsWith("*")) {
          if (pattern.charAt(pattern.length()-1) != '/') {
            if (log.isDebugEnabled()) {
              log.warn("Suspicious url pattern: \"" + pattern + "\"" +
                       " - see http://java.sun.com/aboutJava/communityprocess/first/jsr053/servlet23_PFD.pdf" +
                       "  section 11.2" );
            }
          }
        }

        pattern = RequestUtil.URLDecode(pattern);
        String results[] = new String[patterns.length + 1];
        for (int i = 0; i < patterns.length; i++) {
            results[i] = patterns[i];
        }
        results[patterns.length] = pattern;
        patterns = results;

    }


    /**
     * Return <code>true if the specified HTTP request method is
     * part of this web resource collection.
     *
     * @param method Request method to check
     */
    public boolean findMethod(String method) {

        if (methods.length == 0)
            return (true);
        for (int i = 0; i < methods.length; i++) {
            if (methods[i].equals(method))
                return (true);
        }
        return (false);

    }


    /**
     * Return the set of HTTP request methods that are part of this web
     * resource collection, or a zero-length array if all request methods
     * are included.
     */
    public String[] findMethods() {

        return (methods);

    }


    /**
     * Is the specified pattern part of this web resource collection?
     *
     * @param pattern Pattern to be compared
     */
    public boolean findPattern(String pattern) {

        for (int i = 0; i < patterns.length; i++) {
            if (patterns[i].equals(pattern))
                return (true);
        }
        return (false);

    }


    /**
     * Return the set of URL patterns that are part of this web resource
     * collection.  If none have been specified, a zero-length array is
     * returned.
     */
    public String[] findPatterns() {

        return (patterns);

    }


    /**
     * Remove the specified HTTP request method from those that are part
     * of this web resource collection.
     *
     * @param method Request method to be removed
     */
    public void removeMethod(String method) {

        if (method == null)
            return;
        int n = -1;
        for (int i = 0; i < methods.length; i++) {
            if (methods[i].equals(method)) {
                n = i;
                break;
            }
        }
        if (n >= 0) {
            int j = 0;
            String results[] = new String[methods.length - 1];
            for (int i = 0; i < methods.length; i++) {
                if (i != n)
                    results[j++] = methods[i];
            }
            methods = results;
        }

    }


    /**
     * Remove the specified URL pattern from those that are part of this
     * web resource collection.
     *
     * @param pattern Pattern to be removed
     */
    public void removePattern(String pattern) {

        if (pattern == null)
            return;
        int n = -1;
        for (int i = 0; i < patterns.length; i++) {
            if (patterns[i].equals(pattern)) {
                n = i;
                break;
            }
        }
        if (n >= 0) {
            int j = 0;
            String results[] = new String[patterns.length - 1];
            for (int i = 0; i < patterns.length; i++) {
                if (i != n)
                    results[j++] = patterns[i];
            }
            patterns = results;
        }

    }


    /**
     * Return a String representation of this security collection.
     */
    public String toString() {

        StringBuffer sb = new StringBuffer("SecurityCollection[");
        sb.append(name);
        if (description != null) {
            sb.append(", ");
            sb.append(description);
        }
        sb.append("]");
        return (sb.toString());

    }


}

Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat SecurityCollection.java source code file:

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