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package org.apache.catalina.deploy;
import org.apache.catalina.util.RequestUtil;
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></code>
* element in the deployment descriptor.
* <p>
* <b>WARNING</b>: 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: 1.3 $ $Date: 2007/05/05 05:32:08 $
*/
public class SecurityCollection implements Serializable {
// ----------------------------------------------------------- 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;
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</code> 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());
}
}
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