/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
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**************************************************************************/
/**
* $Id: PermissionCollection.java,v 1.2 2006/04/18 11:35:28 cvs Exp $
*/
package java.security;
import java.io.Serializable;
import java.util.Enumeration;
public abstract class PermissionCollection implements Serializable {
private boolean readOnly;
public PermissionCollection() {
}
public abstract void add (Permission permission);
public abstract boolean implies (Permission permission);
public abstract Enumeration elements();
public void setReadOnly() {
this.readOnly = true;
}
public boolean isReadOnly() {
return this.readOnly;
}
public String toString() {
StringBuffer answerBuffer = new StringBuffer(super.toString());
answerBuffer.append(" (");
answerBuffer.append(GetSystemProperty.LINE_SEPARATOR);
for (Enumeration e = elements() ; e.hasMoreElements() ;) {
answerBuffer.append(e.nextElement().toString());
answerBuffer.append(GetSystemProperty.LINE_SEPARATOR);
}
answerBuffer.append(')');
answerBuffer.append(GetSystemProperty.LINE_SEPARATOR);
return answerBuffer.toString();
}
}