1 files changed, 117 insertions, 4 deletions

diff --git a/libjava/java/lang/ClassLoader.java b/libjava/java/lang/ClassLoader.java
index 32351d8..7925fe7 100644
--- a/libjava/java/lang/ClassLoader.java
+++ b/libjava/java/lang/ClassLoader.java
@@ -1,6 +1,6 @@
 // ClassLoader.java - Define policies for loading Java classes.
 
-/* Copyright (C) 1998, 1999, 2000, 2001  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001, 2002  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -20,9 +20,7 @@ import java.security.Permission;
 import java.security.Permissions;
 import java.security.Policy;
 import java.security.ProtectionDomain;
-import java.util.Enumeration;
-import java.util.HashMap;
-import java.util.Stack;
+import java.util.*;
 
 /**
  * The class <code>ClassLoader</code> is intended to be subclassed by
@@ -34,6 +32,47 @@ import java.util.Stack;
 
 public abstract class ClassLoader
 {
+  /**
+   * The desired assertion status of classes loaded by this loader, if not
+   * overridden by package or class instructions.
+   */
+  // Package visible for use by Class.
+  boolean defaultAssertionStatus = VMClassLoader.defaultAssertionStatus();
+
+  /**
+   * The command-line state of the package assertion status overrides. This
+   * map is never modified, so it does not need to be synchronized.
+   */
+  // Package visible for use by Class.
+  static final Map systemPackageAssertionStatus
+    = VMClassLoader.packageAssertionStatus();
+
+  /**
+   * The map of package assertion status overrides, or null if no package
+   * overrides have been specified yet. The values of the map should be
+   * Boolean.TRUE or Boolean.FALSE, and the unnamed package is represented
+   * by the null key. This map must be synchronized on this instance.
+   */
+  // Package visible for use by Class.
+  Map packageAssertionStatus;
+
+  /**
+   * The command-line state of the class assertion status overrides. This
+   * map is never modified, so it does not need to be synchronized.
+   */
+  // Package visible for use by Class.
+  static final Map systemClassAssertionStatus
+    = VMClassLoader.classAssertionStatus();
+
+  /**
+   * The map of class assertion status overrides, or null if no class
+   * overrides have been specified yet. The values of the map should be
+   * Boolean.TRUE or Boolean.FALSE. This map must be synchronized on this
+   * instance.
+   */
+  // Package visible for use by Class.
+  Map classAssertionStatus;
+
   private ClassLoader parent;
   private HashMap definedPackages = new HashMap();
 
@@ -577,4 +616,78 @@ public abstract class ClassLoader
     // Default to returning null.  Derived classes implement this.
     return null;
   }
+
+  /**
+   * Set the default assertion status for classes loaded by this classloader,
+   * used unless overridden by a package or class request.
+   *
+   * @param enabled true to set the default to enabled
+   * @see #setClassAssertionStatus(String, boolean)
+   * @see #setPackageAssertionStatus(String, boolean)
+   * @see #clearAssertionStatus()
+   * @since 1.4
+   */
+  public void setDefaultAssertionStatus(boolean enabled)
+  {
+    defaultAssertionStatus = enabled;
+  }
+
+  /**
+   * Set the default assertion status for packages, used unless overridden
+   * by a class request. This default also covers subpackages, unless they
+   * are also specified. The unnamed package should use null for the name.
+   *
+   * @param name the package (and subpackages) to affect
+   * @param enabled true to set the default to enabled
+   * @see #setDefaultAssertionStatus(String, boolean)
+   * @see #setClassAssertionStatus(String, boolean)
+   * @see #clearAssertionStatus()
+   * @since 1.4
+   */
+  public synchronized void setPackageAssertionStatus(String name,
+                                                     boolean enabled)
+  {
+    if (packageAssertionStatus == null)
+      packageAssertionStatus
+        = new HashMap(systemPackageAssertionStatus);
+    packageAssertionStatus.put(name, Boolean.valueOf(enabled));
+  }
+  
+  /**
+   * Set the default assertion status for a class. This only affects the
+   * status of top-level classes, any other string is harmless.
+   *
+   * @param name the class to affect
+   * @param enabled true to set the default to enabled
+   * @throws NullPointerException if name is null
+   * @see #setDefaultAssertionStatus(String, boolean)
+   * @see #setPackageAssertionStatus(String, boolean)
+   * @see #clearAssertionStatus()
+   * @since 1.4
+   */
+  public synchronized void setClassAssertionStatus(String name,
+                                                   boolean enabled)
+  {
+    if (classAssertionStatus == null)
+      classAssertionStatus = new HashMap(systemClassAssertionStatus);
+    // The toString() hack catches null, as required.
+    classAssertionStatus.put(name.toString(), Boolean.valueOf(enabled));
+  }
+  
+  /**
+   * Resets the default assertion status of this classloader, its packages
+   * and classes, all to false. This allows overriding defaults inherited
+   * from the command line.
+   *
+   * @see #setDefaultAssertionStatus(boolean)
+   * @see #setClassAssertionStatus(String, boolean)
+   * @see #setPackageAssertionStatus(String, boolean)
+   * @since 1.4
+   */
+  public synchronized void clearAssertionStatus()
+  {
+    defaultAssertionStatus = false;
+    packageAssertionStatus = new HashMap();
+    classAssertionStatus = new HashMap();
+  }
 }