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Diffstat (limited to 'libjava/classpath/java/security/Provider.java')
| -rw-r--r-- | libjava/classpath/java/security/Provider.java | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/libjava/classpath/java/security/Provider.java b/libjava/classpath/java/security/Provider.java deleted file mode 100644 index b1d6d9c..0000000 --- a/libjava/classpath/java/security/Provider.java +++ /dev/null @@ -1,218 +0,0 @@ -/* Provider.java -- Security provider information - Copyright (C) 1998, 1999, 2000, 2002, 2006 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package java.security; - -import java.io.Serializable; -import java.util.Properties; - -/** - * This class represents a Java security architecture service provider. The - * services provided by a such a provider can range from security algorithms to - * key generation. - * <p> - * Providers are installed by name and version number. See the static - * initializer of the {@link java.security.Security} class for the default - * security providers installed by this class library. - * - * @author Aaron M. Renn (arenn@urbanophile.com) - */ -public abstract class Provider - extends Properties - implements Serializable -{ - private static final long serialVersionUID = -4298000515446427739L; - - /** - * This is a textual description of the provider - */ - private String info; - - /** - * This is the name of the provider - */ - private String name; - - /** - * This is the version number of the provider - */ - private double version; - - /** - * This method initializes a new instance of <code>Provider</code> to have - * the specified name, version, and description information. - * - * @param name The name to assign to this <code>Provider</code>. - * @param version The version number for this <code>Provider</code>. - * @param info A textual description of this provider. - */ - protected Provider(String name, double version, String info) - { - this.name = name; - this.version = version; - this.info = info; - } - - /** - * This method returns the name assigned to this <code>Provider</code>. - * - * @return The <code>Provider</code>'s name. - */ - public String getName() - { - return (name); - } - - /** - * This method retunrs the version number of this <code>Provider</code>. - * - * @return The <code>Provider</code>'s version number. - */ - public double getVersion() - { - return (version); - } - - /** - * This method returns a textual description of the <code>Provider</code>. - * - * @return A description of the <code>Provider</code>. - */ - public String getInfo() - { - return (info); - } - - /** - * Maps a key property to a designated value. - * <p> - * If there is an installed {@link SecurityManager} object in the underlying - * VM, its {@link SecurityManager#checkSecurityAccess(String)} method is - * called with the string <code>"putProviderProperty." + name</code>, where - * <code>name</code> is this provider's name. For the default implementation - * this translates into a {@link SecurityManager#checkPermission(Permission)} - * for a <code>SecurityPermission("putProviderProperty." + name)</code>. - * - * @param key The property key. - * @param value The property value. - * @return The previous value of the specified property (<code>key</code>), - * or <code>null</code> if it did not have one. - * @throws SecurityException If a security manager is installed and its - * {@link SecurityManager#checkSecurityAccess(String)} method - * disallows adding properties at run-time. - * @since Classpath 0.4+cvs, JDK 1.2 - * @see java.lang.Object#equals(Object) - * @see java.util.Hashtable#get(Object) - */ - public Object put(Object key, Object value) - { - SecurityManager sm = System.getSecurityManager(); - if (sm != null) - sm.checkSecurityAccess("putProviderProperty." + this.name); - return super.put(toCanonicalKey(key), value); - } - - // overrides same in java.util.Hashtable - public Object get(Object key) - { - return super.get(toCanonicalKey(key)); - } - - /** - * This method removes the specified key entry (and its associated value) - * from the property mapping collection. - * <p> - * If there is an installed {@link SecurityManager} object in the underlying - * VM, its {@link SecurityManager#checkSecurityAccess(String)} method is - * called with the string <code>"removeProviderProperty." + name</code>, where - * <code>name</code> is this provider's name. For the default implementation - * this translates into a {@link SecurityManager#checkPermission(Permission)} - * for a <code>SecurityPermission("removeProviderProperty." + name)</code>. - * - * @param key The key to remove - * @return The previous value for this key, or <code>null</code> if no - * previous value. - */ - public Object remove(Object key) - { - SecurityManager sm = System.getSecurityManager(); - if (sm != null) - sm.checkSecurityAccess("removeProviderProperty." + this.name); - return super.remove(toCanonicalKey(key)); - } - - /** - * This method clears the entire property collection such that it no longer - * contains the properties used to look up the services provided by - * this <code>Provider</code>. - * <p> - * If there is an installed {@link SecurityManager} object in the underlying - * VM, its {@link SecurityManager#checkSecurityAccess(String)} method is - * called with the string <code>"clearProviderProperties." + name</code>, - * where <code>name</code> is this provider's name. For the default - * implementation this translates into a - * {@link SecurityManager#checkPermission(Permission)} for a - * <code>SecurityPermission("clearProviderProperties." + name)</code>. - */ - public void clear() - { - SecurityManager sm = System.getSecurityManager(); - if (sm != null) - sm.checkSecurityAccess("clearProviderProperties." + this.name); - super.clear(); - } - - /** - * This method returns a <code>String</code> representation of this - * object. This will include the <code>Provider</code> name and - * version number. - * - * @return A <code>String</code> representation of this object. - */ - public String toString() - { - return (getClass().getName() + ": name=" + getName() + " version=" + - version); - } - - private Object toCanonicalKey(Object key) - { - if (key.getClass().isAssignableFrom(String.class)) // is it ours? - return ((String) key).toUpperCase(); // use default locale - return key; - } -} |