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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package com.sun.star.script.framework.provider.beanshell;
import com.sun.star.script.provider.XScriptContext;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
public class ScriptSourceModel {
private int currentPosition = -1;
private final URL file;
private ScriptSourceView view = null;
public ScriptSourceModel(URL file) {
this.file = file;
}
private String load() throws IOException {
StringBuilder buf = new StringBuilder();
InputStream in = file.openStream();
byte[] contents = new byte[1024];
int len;
while ((len = in.read(contents, 0, 1024)) != -1) {
buf.append(new String(contents, 0, len));
}
try {
in.close();
} catch (IOException ignore) {
}
return buf.toString();
}
public String getText() {
String result = "";
try {
result = load();
} catch (IOException ioe) {
// do nothing, empty string will be returned
}
return result;
}
public int getCurrentPosition() {
return this.currentPosition;
}
public void setView(ScriptSourceView view) {
this.view = view;
}
public Object execute(final XScriptContext context, ClassLoader cl)
throws Exception {
if (cl != null) {
// sets this threads class loader
// hopefully any threads spawned by this
// will inherit this cl
// this enables any class files imported
// from the interpreter to be loaded
// note: setting the classloader on the
// interpreter has a slightly different
// meaning in that the classloader for
// the interpreter seems only to look for
// source files ( bla.java ) in the classpath
Thread.currentThread().setContextClassLoader(cl);
}
bsh.Interpreter interpreter = new bsh.Interpreter();
if (cl != null) {
// additionally set class loader on the interpreter
// to allow it to load java classes defined in source
// files e.g. bla.java
interpreter.getNameSpace().clear();
}
// reset position
currentPosition = -1;
view.update();
interpreter.set("XSCRIPTCONTEXT", context);
interpreter.set("ARGUMENTS", new Object[0]);
Object result;
if (view.isModified()) {
result = interpreter.eval(view.getText());
} else {
result = interpreter.eval(getText());
}
return result;
}
public void indicateErrorLine(int lineNum) {
System.out.println("Beanshell indicateErrorLine " + lineNum);
currentPosition = lineNum - 1;
view.update();
}
}
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