/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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 for more details.
*
* Copyright (c) 2002-2016 Pentaho Corporation.. All rights reserved.
*/
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.pentaho.reporting.engine.classic.extensions.charting.runtime;
import org.apache.batik.anim.dom.SAXSVGDocumentFactory;
import org.apache.batik.anim.dom.SVGDOMImplementation;
import org.apache.batik.anim.dom.SVGOMDocument;
import org.apache.batik.bridge.BridgeContext;
import org.apache.batik.bridge.DocumentLoader;
import org.apache.batik.bridge.UserAgent;
import org.apache.batik.bridge.UserAgentAdapter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Function;
import org.mozilla.javascript.ImporterTopLevel;
import org.mozilla.javascript.NativeJavaObject;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
import org.w3c.dom.Node;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.FileReader;
import java.io.StringWriter;
/**
* @author pdpi
*/
class BaseScope extends ImporterTopLevel {
private static final Log logger = LogFactory.getLog( BaseScope.class );
private boolean sealedStdLib = false;
private boolean initialized;
private String basePath;
private String systemPath;
public BaseScope() {
super();
}
public void init( final Context cx ) {
// Define some global functions particular to the shell. Note
// that these functions are not part of ECMA.
initStandardObjects( cx, sealedStdLib );
final String[] names = { "print", "load", "lib", "_loadSvg", "_xmlToString" };
defineFunctionProperties( names, BaseScope.class, ScriptableObject.DONTENUM );
initialized = true;
}
public static Object print( final Context cx, final Scriptable thisObj,
final Object[] args, final Function funObj ) {
for ( final Object arg : args ) {
final String s = Context.toString( arg );
logger.info( s );
}
return Context.getUndefinedValue();
}
public static Object load( final Context cx, final Scriptable thisObj,
final Object[] args, final Function funObj ) {
final String file = args[ 0 ].toString();
try {
final BaseScope scope = (BaseScope) thisObj;
cx.evaluateReader( scope, new FileReader( scope.basePath + "/" + file ), file, 1, null );
} catch ( Exception e ) {
logger.error( e );
return Context.toBoolean( false );
}
return Context.toBoolean( true );
}
public static Object _loadSvg( final Context cx, final Scriptable thisObj,
final Object[] args, final Function funObj ) {
final String file = args[ 0 ].toString();
try {
final BaseScope scope = (BaseScope) thisObj;
final String parser = "org.apache.xerces.parsers.SAXParser"; //XMLResourceDescriptor.getXMLParserClassName();
final SAXSVGDocumentFactory f = new SAXSVGDocumentFactory( parser );
final String uri = "file:" + scope.basePath + "/" + file;
final SVGOMDocument doc = (SVGOMDocument) f.createDocument( uri );
// Initialize the CSS Engine for the document
final SVGDOMImplementation impl = (SVGDOMImplementation) SVGDOMImplementation.getDOMImplementation();
final UserAgent userAgent = new UserAgentAdapter();
final BridgeContext ctx = new BridgeContext( userAgent, new DocumentLoader( userAgent ) );
doc.setCSSEngine( impl.createCSSEngine( doc, ctx ) );
return Context.javaToJS( doc, scope );
} catch ( Exception e ) {
e.printStackTrace();
logger.error( e );
return Context.getUndefinedValue();
}
}
public static Object lib( final Context cx, final Scriptable thisObj,
final Object[] args, final Function funObj ) {
final String file = args[ 0 ].toString();
try {
final BaseScope scope = (BaseScope) thisObj;
cx.evaluateReader( scope, new FileReader( scope.systemPath + "/" + file ), file, 1, null );
} catch ( Exception e ) {
logger.error( e );
return Context.toBoolean( false );
}
return Context.toBoolean( true );
}
public String getBasePath() {
return basePath;
}
public void setBasePath( final String basePath ) {
this.basePath = basePath;
}
public void setSystemPath( final String systemPath ) {
this.systemPath = systemPath;
}
public static Object _xmlToString( final Context cx, final Scriptable thisObj,
final Object[] args, final Function funObj ) {
final Node node = (Node) ( (NativeJavaObject) args[ 0 ] ).unwrap();
try {
final Source source = new DOMSource( node );
final StringWriter stringWriter = new StringWriter();
final Result result = new StreamResult( stringWriter );
final TransformerFactory factory = TransformerFactory.newInstance();
final Transformer transformer = factory.newTransformer();
transformer.setOutputProperty( OutputKeys.INDENT, "yes" );
transformer.setOutputProperty( "{http://xml.apache.org/xslt}indent-amount", "2" );
transformer.transform( source, result );
final BaseScope scope = (BaseScope) thisObj;
return Context.javaToJS( stringWriter.getBuffer().toString(), scope );
} catch ( TransformerConfigurationException e ) {
e.printStackTrace();
} catch ( TransformerException e ) {
e.printStackTrace();
}
return null;
}
}