1 files changed, 390 insertions, 0 deletions
diff --git a/jurt/com/sun/star/lib/uno/protocols/urp/Marshal.java b/jurt/com/sun/star/lib/uno/protocols/urp/Marshal.java
new file mode 100644
index 000000000000..2a43041916ce
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+++ b/jurt/com/sun/star/lib/uno/protocols/urp/Marshal.java
@@ -0,0 +1,390 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+package com.sun.star.lib.uno.protocols.urp;
+
+import com.sun.star.lib.uno.environments.remote.ThreadId;
+import com.sun.star.lib.uno.typedesc.TypeDescription;
+import com.sun.star.uno.Any;
+import com.sun.star.uno.Enum;
+import com.sun.star.uno.IBridge;
+import com.sun.star.uno.IFieldDescription;
+import com.sun.star.uno.Type;
+import com.sun.star.uno.TypeClass;
+import com.sun.star.uno.XInterface;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutput;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.lang.reflect.Array;
+import java.lang.reflect.InvocationTargetException;
+
+final class Marshal {
+    public Marshal(IBridge bridge, short cacheSize) {
+        this.bridge = bridge;
+        objectIdCache = new Cache(cacheSize);
+        threadIdCache = new Cache(cacheSize);
+        typeCache = new Cache(cacheSize);
+    }
+
+    public void write8Bit(int value) {
+        try {
+            output.writeByte(value);
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    public void write16Bit(int value) {
+        try {
+            output.writeShort(value);
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    public void writeObjectId(String objectId) {
+        if (objectId == null) {
+            writeStringValue(null);
+            write16Bit(0xFFFF);
+        } else {
+            boolean[] found = new boolean[1];
+            int index = objectIdCache.add(found, objectId);
+            writeStringValue(found[0] ? null : objectId);
+            write16Bit(index);
+        }
+    }
+
+    public void writeInterface(XInterface object, Type type) {
+        writeObjectId((String) bridge.mapInterfaceTo(object, type));
+    }
+
+    public void writeThreadId(ThreadId threadId) {
+        byte[] data = threadId.getBytes();
+        boolean[] found = new boolean[1];
+        int index = threadIdCache.add(found, data);
+        if (found[0]) {
+            writeCompressedNumber(0);
+        } else {
+            writeCompressedNumber(data.length);
+            writeBytes(data);
+        }
+        write16Bit(index);
+    }
+
+    public void writeType(TypeDescription type) {
+        TypeClass typeClass = type.getTypeClass();
+        if (TypeDescription.isTypeClassSimple(typeClass)) {
+            write8Bit(typeClass.getValue());
+        } else {
+            boolean[] found = new boolean[1];
+            int index = typeCache.add(found, type.getTypeName());
+            write8Bit(typeClass.getValue() | (found[0] ? 0 : 0x80));
+            write16Bit(index);
+            if (!found[0]) {
+                writeStringValue(type.getTypeName());
+            }
+        }
+    }
+
+    public void writeValue(TypeDescription type, Object value) {
+        switch(type.getTypeClass().getValue()) {
+        case TypeClass.VOID_value:
+            break;
+
+        case TypeClass.BOOLEAN_value:
+            writeBooleanValue((Boolean) value);
+            break;
+
+        case TypeClass.BYTE_value:
+            writeByteValue((Byte) value);
+            break;
+
+        case TypeClass.SHORT_value:
+        case TypeClass.UNSIGNED_SHORT_value:
+            writeShortValue((Short) value);
+            break;
+
+        case TypeClass.LONG_value:
+        case TypeClass.UNSIGNED_LONG_value:
+            writeLongValue((Integer) value);
+            break;
+
+        case TypeClass.HYPER_value:
+        case TypeClass.UNSIGNED_HYPER_value:
+            writeHyperValue((Long) value);
+            break;
+
+        case TypeClass.FLOAT_value:
+            writeFloatValue((Float) value);
+            break;
+
+        case TypeClass.DOUBLE_value:
+            writeDoubleValue((Double) value);
+            break;
+
+        case TypeClass.CHAR_value:
+            writeCharValue((Character) value);
+            break;
+
+        case TypeClass.STRING_value:
+            writeStringValue((String) value);
+            break;
+
+        case TypeClass.TYPE_value:
+            writeTypeValue((Type) value);
+            break;
+
+        case TypeClass.ANY_value:
+            writeAnyValue(value);
+            break;
+
+        case TypeClass.SEQUENCE_value:
+            writeSequenceValue(type, value);
+            break;
+
+        case TypeClass.ENUM_value:
+            writeEnumValue(type, (Enum) value);
+            break;
+
+        case TypeClass.STRUCT_value:
+            writeStructValue(type, value);
+            break;
+
+        case TypeClass.EXCEPTION_value:
+            writeExceptionValue(type, (Exception) value);
+            break;
+
+        case TypeClass.INTERFACE_value:
+            writeInterfaceValue(type, (XInterface) value);
+            break;
+
+        default:
+            throw new IllegalArgumentException("Bad type descriptor " + type);
+        }
+    }
+
+    public byte[] reset() {
+        byte[] data = buffer.toByteArray();
+        buffer.reset();
+        return data;
+    }
+
+    private void writeBooleanValue(Boolean value) {
+        try {
+            output.writeBoolean(value != null && value.booleanValue());
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private void writeByteValue(Byte value) {
+        write8Bit(value == null ? 0 : value.byteValue());
+    }
+
+    private void writeShortValue(Short value) {
+        write16Bit(value == null ? 0 : value.shortValue());
+    }
+
+    private void writeLongValue(Integer value) {
+        write32Bit(value == null ? 0 : value.intValue());
+    }
+
+    private void writeHyperValue(Long value) {
+        try {
+            output.writeLong(value == null ? 0 : value.longValue());
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private void writeFloatValue(Float value) {
+        try {
+            output.writeFloat(value == null ? 0 : value.floatValue());
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private void writeDoubleValue(Double value) {
+        try {
+            output.writeDouble(value == null ? 0 : value.doubleValue());
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private void writeCharValue(Character value) {
+        try {
+            output.writeChar(value == null ? 0 : value.charValue());
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private void writeStringValue(String value) {
+        if (value == null) {
+            writeCompressedNumber(0);
+        } else {
+            byte[] data;
+            try {
+                data = value.getBytes("UTF8");
+            } catch (UnsupportedEncodingException e) {
+                throw new RuntimeException(e.toString());
+            }
+            writeCompressedNumber(data.length);
+            writeBytes(data);
+        }
+    }
+
+    private void writeTypeValue(Type value) {
+        try {
+            writeType(
+                TypeDescription.getTypeDescription(
+                    value == null ? Type.VOID : value));
+        } catch (ClassNotFoundException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private void writeAnyValue(Object value) {
+        TypeDescription type;
+        if (value == null || value instanceof XInterface) {
+            type = TypeDescription.getTypeDescription(XInterface.class);
+        } else if (value instanceof Any) {
+            Any any = (Any) value;
+            try {
+                type = TypeDescription.getTypeDescription(any.getType());
+            } catch (ClassNotFoundException e) {
+                throw new RuntimeException(e.toString());
+            }
+            value = any.getObject();
+        } else if (value.getClass() == Object.class) {
+            // Avoid StackOverflowError:
+            throw new IllegalArgumentException(
+                "Object instance does not represent UNO value");
+        } else {
+            type = TypeDescription.getTypeDescription(value.getClass());
+        }
+        writeType(type);
+        writeValue(type, value);
+    }
+
+    private void writeSequenceValue(TypeDescription type, Object value) {
+        if (value == null) {
+            writeCompressedNumber(0);
+        } else {
+            TypeDescription ctype = (TypeDescription) type.getComponentType();
+            if (ctype.getTypeClass() == TypeClass.BYTE) {
+                byte[] data = (byte[]) value;
+                writeCompressedNumber(data.length);
+                writeBytes(data);
+            } else {
+                int len = Array.getLength(value);
+                writeCompressedNumber(len);
+                for (int i = 0; i < len; ++i) {
+                    writeValue(ctype, Array.get(value, i));
+                }
+            }
+        }
+    }
+
+    private void writeEnumValue(TypeDescription type, Enum value) {
+        int n;
+        if (value == null) {
+            try {
+                n = ((Enum)
+                     (type.getZClass().getMethod("getDefault", null).
+                      invoke(null, null))).
+                    getValue();
+            } catch (IllegalAccessException e) {
+                throw new RuntimeException(e.toString());
+            } catch (InvocationTargetException e) {
+                throw new RuntimeException(e.toString());
+            } catch (NoSuchMethodException e) {
+                throw new RuntimeException(e.toString());
+            }
+        } else {
+            n = value.getValue();
+        }
+        write32Bit(n);
+    }
+
+    private void writeStructValue(TypeDescription type, Object value) {
+        IFieldDescription[] fields = type.getFieldDescriptions();
+        for (int i = 0; i < fields.length; ++i) {
+            try {
+                writeValue(
+                    (TypeDescription) fields[i].getTypeDescription(),
+                    value == null ? null : fields[i].getField().get(value));
+            } catch (IllegalAccessException e) {
+                throw new RuntimeException(e.toString());
+            }
+        }
+    }
+
+    private void writeExceptionValue(TypeDescription type, Exception value) {
+        writeStringValue(value == null ? null : value.getMessage());
+        writeStructValue(type, value);
+    }
+
+    private void writeInterfaceValue(TypeDescription type, XInterface value) {
+        writeInterface(value, new Type(type));
+    }
+
+    private void write32Bit(int value) {
+        try {
+            output.writeInt(value);
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private void writeCompressedNumber(int number) {
+        if (number >= 0 && number < 0xFF) {
+            write8Bit(number);
+        } else {
+            write8Bit(0xFF);
+            write32Bit(number);
+        }
+    }
+
+    private void writeBytes(byte[] data) {
+        try {
+            output.write(data);
+        } catch (IOException e) {
+            throw new RuntimeException(e.toString());
+        }
+    }
+
+    private final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+    private final DataOutput output = new DataOutputStream(buffer);
+    private final IBridge bridge;
+    private final Cache objectIdCache;
+    private final Cache threadIdCache;
+    private final Cache typeCache;
+}