/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.marshal;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.JavaValue;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.expr.Expr;
import com.caucho.quercus.lib.file.BinaryOutput;
import com.caucho.quercus.lib.file.WriteStreamOutput;
import java.io.OutputStream;
public class BinaryOutputMarshal extends Marshal {
public static final Marshal MARSHAL = new BinaryOutputMarshal();
@Override
public boolean isReadOnly() {
return true;
}
@Override
public Object marshal(Env env, Expr expr, Class expectedClass) {
return marshal(env, expr.eval(env), expectedClass);
}
@Override
public Object marshal(Env env, Value value, Class expectedClass) {
if (value == null) {
return null;
} else if (value instanceof BinaryOutput) {
return (BinaryOutput) value;
}
Object javaObj = value.toJavaObject();
if (javaObj instanceof BinaryOutput) {
return (BinaryOutput) javaObj;
} else if (javaObj instanceof OutputStream) {
return new WriteStreamOutput((OutputStream) javaObj);
} else {
throw new IllegalStateException(L.l("Cannot marshal {0} to BinaryOutput",
javaObj));
}
}
public static BinaryOutput marshal(Env env, Value value) {
if (value == null) {
return null;
} else if (value instanceof BinaryOutput) {
return (BinaryOutput) value;
}
Object javaObj = value.toJavaObject();
if (javaObj instanceof BinaryOutput) {
return (BinaryOutput) javaObj;
} else if (javaObj instanceof OutputStream) {
return new WriteStreamOutput((OutputStream) javaObj);
} else {
throw new IllegalStateException(L.l("Cannot marshal {0} to BinaryOutput",
javaObj));
}
}
@Override
public Value unmarshal(Env env, Object value) {
return (Value) value;
}
@Override
protected int getMarshalingCostImpl(Value argValue) {
if (argValue instanceof JavaValue
&& OutputStream.class.isAssignableFrom(
argValue.toJavaObject().getClass())) {
return Marshal.ZERO;
} else {
return Marshal.FOUR;
}
}
@Override
public Class getExpectedClass() {
return BinaryOutput.class;
}
}