various tweaks for Classpath compatibility

classpath/java/net/URL.java

@@ -1,4 +1,4 @@
-/* Copyright (c) 2008, Avian Contributors
+/* Copyright (c) 2008-2009, Avian Contributors
 
    Permission to use, copy, modify, and/or distribute this software
    for any purpose with or without fee is hereby granted, provided
@@ -11,7 +11,6 @@
 package java.net;
 
 import java.io.IOException;
-import java.io.FileNotFoundException;
 import java.io.InputStream;
 
 public final class URL {
@@ -73,7 +72,7 @@ public final class URL {
     throws MalformedURLException
   {
     if ("resource".equals(protocol)) {
-      return new ResourceHandler();
+      return new avian.resource.Handler();
     } else {
       throw new MalformedURLException("unknown protocol: " + protocol);
     }
@@ -88,87 +87,4 @@ public final class URL {
     this.file = file;
     this.ref = ref;
   }
-
-  private static class ResourceHandler extends URLStreamHandler {
-    protected URLConnection openConnection(URL url) {
-      return new ResourceConnection(url);
-    }
-  }
-
-  private static class ResourceConnection extends URLConnection {
-    public ResourceConnection(URL url) {
-      super(url);
-    }
-
-    public int getContentLength() {
-      return ResourceInputStream.getContentLength(url.getFile());
-    }
-
-    public InputStream getInputStream() throws IOException {
-      return new ResourceInputStream(url.getFile());
-    }
-  }
-
-  private static class ResourceInputStream extends InputStream {
-    private long peer;
-    private int position;
-
-    public ResourceInputStream(String path) throws IOException {
-      peer = open(path);
-      if (peer == 0) {
-        throw new FileNotFoundException(path);
-      }
-    }
-
-    private static native int getContentLength(String path);
-
-    private static native long open(String path) throws IOException;
-
-    private static native int read(long peer, int position) throws IOException;
-
-    private static native int read(long peer, int position,
-                                   byte[] b, int offset, int length)
-      throws IOException;
-
-    public static native void close(long peer) throws IOException;
-
-    public int read() throws IOException {
-      if (peer != 0) {
-        int c = read(peer, position);
-        if (c >= 0) {
-          ++ position;
-        }
-        return c;
-      } else {
-        throw new IOException();
-      }
-    }
-
-    public int read(byte[] b, int offset, int length) throws IOException {
-      if (peer != 0) {
-        if (b == null) {
-          throw new NullPointerException();
-        }
-
-        if (offset < 0 || offset + length > b.length) {
-          throw new ArrayIndexOutOfBoundsException();
-        }
-
-        int c = read(peer, position, b, offset, length);
-        if (c >= 0) {
-          position += c;
-        }
-        return c;
-      } else {
-        throw new IOException();
-      }
-    }
-
-    public void close() throws IOException {
-      if (peer != 0) {
-        close(peer);
-        peer = 0;
-      }
-    }
-  }
 }

makefile

@@ -46,6 +46,7 @@ endif
 ifdef gnu
   options := $(options)-gnu
 	gnu-sources = $(src)/gnu.cpp
+	gnu-jar = $(gnu)/share/classpath/glibj.zip
 	gnu-libraries = \
 		$(gnu)/lib/classpath/libjavaio.a \
 		$(gnu)/lib/classpath/libjavalang.a \
@@ -346,6 +347,7 @@ gnu-blacklist = \
 
 gnu-overrides = \
 	avian/*.class \
+	avian/resource/*.class \
 	java/lang/Class.class \
 	java/lang/Enum.class \
 	java/lang/InheritableThreadLocal.class \
@@ -443,7 +445,7 @@ $(native-build)/type-generator.o: \
 $(classpath-build)/%.class: $(classpath)/%.java
 	@echo $(<)
 
-$(classpath-dep): $(classpath-sources)
+$(classpath-dep): $(classpath-sources) $(gnu-jar)
 	@echo "compiling classpath classes"
 	@mkdir -p $(avian-classpath-build)
 	$(javac) -d $(avian-classpath-build) \
@@ -457,7 +459,7 @@ ifdef gnu
 	@mkdir -p $(classpath-build)
 	(wd=$$(pwd) && \
 	 cd $(classpath-build) && \
-	 $(jar) xf $(gnu)/share/classpath/glibj.zip && \
+	 $(jar) xf $(gnu-jar) && \
 	 rm $(gnu-blacklist) && \
 	 jar xf "$$($(native-path) "$${wd}/$(build)/overrides.jar")")
 endif

src/builtin.cpp

@@ -846,7 +846,7 @@ Avian_java_lang_Thread_enumerate
 }
 
 extern "C" JNIEXPORT int64_t JNICALL
-Avian_java_net_URL_00024ResourceInputStream_getContentLength
+Avian_avian_resource_Handler_00024ResourceInputStream_getContentLength
 (Thread* t, object, uintptr_t* arguments)
 {
   object path = reinterpret_cast<object>(*arguments);
@@ -866,7 +866,7 @@ Avian_java_net_URL_00024ResourceInputStream_getContentLength
 }
 
 extern "C" JNIEXPORT int64_t JNICALL
-Avian_java_net_URL_00024ResourceInputStream_open
+Avian_avian_resource_Handler_00024ResourceInputStream_open
 (Thread* t, object, uintptr_t* arguments)
 {
   object path = reinterpret_cast<object>(*arguments);
@@ -883,7 +883,7 @@ Avian_java_net_URL_00024ResourceInputStream_open
 }
 
 extern "C" JNIEXPORT int64_t JNICALL
-Avian_java_net_URL_00024ResourceInputStream_read__JI
+Avian_avian_resource_Handler_00024ResourceInputStream_read__JI
 (Thread*, object, uintptr_t* arguments)
 {
   int64_t peer; memcpy(&peer, arguments, 8);
@@ -898,7 +898,7 @@ Avian_java_net_URL_00024ResourceInputStream_read__JI
 }
 
 extern "C" JNIEXPORT int64_t JNICALL
-Avian_java_net_URL_00024ResourceInputStream_read__JI_3BII
+Avian_avian_resource_Handler_00024ResourceInputStream_read__JI_3BII
 (Thread* t, object, uintptr_t* arguments)
 {
   int64_t peer; memcpy(&peer, arguments, 8);
@@ -923,7 +923,7 @@ Avian_java_net_URL_00024ResourceInputStream_read__JI_3BII
 }
 
 extern "C" JNIEXPORT void JNICALL
-Avian_java_net_URL_00024ResourceInputStream_close
+Avian_avian_resource_Handler_00024ResourceInputStream_close
 (Thread*, object, uintptr_t* arguments)
 {
   int64_t peer; memcpy(&peer, arguments, 8);

src/gnu.cpp

@@ -52,8 +52,7 @@ Avian_gnu_classpath_VMSystemProperties_preInit
 
   setProperty(t, method, properties, "java.vm.name", "Avian");
 
-  setProperty(t, method, properties, "java.lang.classpath",
-              t->m->finder->path());
+  setProperty(t, method, properties, "java.protocol.handler.pkgs", "avian");
 
   setProperty(t, method, properties, "file.encoding", "ASCII");
 
@@ -77,6 +76,9 @@ Avian_gnu_classpath_VMSystemProperties_preInit
 
   setProperty(t, method, properties, "user.home",
               _wgetenv(L"USERPROFILE"), "%ls");
+
+  GetCurrentDirectory(MAX_PATH, buffer);
+  setProperty(t, method, properties, "user.dir", buffer);
 #else
 #  define FILE_SEPARATOR "/"
   
@@ -90,6 +92,7 @@ Avian_gnu_classpath_VMSystemProperties_preInit
 #  endif
   setProperty(t, method, properties, "java.io.tmpdir", "/tmp");
   setProperty(t, method, properties, "user.home", getenv("HOME"));
+  setProperty(t, method, properties, "user.dir", getenv("PWD"));
 #endif
 }
 
@@ -279,3 +282,16 @@ Avian_java_lang_VMClassLoader_loadClass
 
   return Avian_avian_SystemClassLoader_findClass(t, 0, args);
 }
+
+extern "C" JNIEXPORT int64_t JNICALL
+Avian_avian_SystemClassLoader_findLoadedClass
+(Thread*, object, uintptr_t*);
+
+extern "C" JNIEXPORT int64_t JNICALL
+Avian_java_lang_VMClassLoader_findLoadedClass
+(Thread* t, object, uintptr_t* arguments)
+{
+  uintptr_t args[] = { 0, arguments[1] };
+
+  return Avian_avian_SystemClassLoader_findLoadedClass(t, 0, args);
+}