package org.autoplot.servlet;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.lang.reflect.Array;
import java.net.UnknownHostException;
import java.nio.file.Paths;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.logging.FileHandler;
import java.util.logging.Formatter;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.autoplot.ApplicationModel;
import org.autoplot.JythonUtil;
import org.autoplot.ScriptContext;
import static org.autoplot.ScriptContext.waitUntilIdle;
import org.autoplot.datasource.DataSetURI;
import org.autoplot.datasource.DataSourceUtil;
import org.autoplot.datasource.URISplit;
import org.autoplot.dom.Application;
import org.autoplot.jythonsupport.JythonRefactory;
import org.autoplot.jythonsupport.Param;
import org.autoplot.scriptconsole.DumpRteExceptionHandler;
import org.autoplot.scriptconsole.LoggingOutputStream;
import org.das2.datum.Datum;
import org.das2.datum.TimeParser;
import org.das2.datum.TimeUtil;
import org.das2.datum.Units;
import org.das2.graph.DasCanvas;
import org.das2.util.DasPNGConstants;
import org.das2.util.DasPNGEncoder;
import org.das2.util.FileUtil;
import org.das2.util.awt.GraphicsOutput;
import org.das2.util.monitor.NullProgressMonitor;
import org.python.core.PySystemState;
import org.python.util.PythonInterpreter;
/**
* Run a script on the server side, and produce a client-side GUI for the
* getParam calls.
* Note this has logging installed which is set up in code, which is bad practice. This should be
* removed should this be used in production!
* @author jbf
*/
public class ScriptGUIServlet extends HttpServlet {
static final Logger logger= Logger.getLogger("autoplot.servlet.scriptgui");
static final Logger timelogger;
/**
* milliseconds within which script must run
*/
private static final int TIMEOUT_SCRIPT = 50000;
static {
timelogger= Logger.getLogger("autoplot.servlet.script.gui.timing");
timelogger.setLevel(Level.FINE);
try {
// %h is user.home
String home= System.getProperty("user.home"); //TODO: verify this new code which makes the log directory
File hf= Paths.get( home, "log", "tomcat" ).toFile();
if ( !hf.exists() ) {
if ( !hf.mkdirs() ) {
throw new RuntimeException("Unable to make log directory: "+hf);
}
}
final Handler h= new FileHandler( "%h/log/tomcat/scriptGuiTiming.%g.log" ) {
@Override
public synchronized void publish(LogRecord record) {
super.publish(record);
flush();
}
};
Formatter f= new Formatter() {
@Override
public String format(LogRecord record) {
String msg= formatMessage(record);
return Units.t1970.createDatum(record.getMillis()).toString() + ":" + msg + "\n";
}
};
h.setFormatter( f );
timelogger.addHandler(h);
} catch (IOException | SecurityException ex) {
Logger.getLogger(ScriptGUIServlet.class.getName()).log(Level.SEVERE, null, ex);
}
}
File logfile= new File( "/home/jbf/log/ScriptGUIServlet.log" );
@Override
public void init(ServletConfig config) throws ServletException {
System.setProperty("java.awt.headless", "true");
super.init(config);
}
/**
* write out the current canvas to stdout. This is introduced to support servers.
* TODO: this has issues with the size. See writeToPng(filename).
* @param dom
* @param out the OutputStream accepting the data, which is not closed.
* @throws java.io.IOException
*/
private static void writeToPng( Application dom, String suri, BufferedImage orig, OutputStream out) throws IOException {
waitUntilIdle();
DasCanvas c = dom.getController().getApplicationModel().getCanvas();
int width= dom.getCanvases(0).getWidth();
int height= dom.getCanvases(0).getHeight();
BufferedImage image = c.getImage(width,height);
if ( image.equals(orig) ) {
BufferedImage im= new BufferedImage( 320, 200, BufferedImage.TYPE_INT_ARGB );
Graphics g= im.getGraphics();
g.setColor( Color.WHITE );
g.fillRect( 0, 0, width, height );
g.setColor( Color.GRAY );
g.drawRect( 0, 0, width-1, height-1 );
g.drawString( "(canvas not used)", 10, 100 );
image= im;
}
DasPNGEncoder encoder = new DasPNGEncoder();
encoder.addText(DasPNGConstants.KEYWORD_CREATION_TIME, new Date().toString());
encoder.addText(DasPNGConstants.KEYWORD_SOFTWARE, "Autoplot" );
encoder.addText(DasPNGConstants.KEYWORD_PLOT_INFO, c.getImageMetadata() );
encoder.addText("ScriptURI",suri);
encoder.write( image, out);
}
/**
* Processes requests for both HTTP <code>GET</code> and <code>POST</code>
* methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String script= request.getParameter("script");
if ( script==null ) {
response.sendRedirect( "ScriptGUIServletPick" );
return;
}
if ( !ServletUtil.isWhitelisted(script) ) {
throw new IllegalArgumentException("script must come from whitelisted host, contact " +ServletUtil.getServletContact()
+ " to see if script could be run: "+script );
}
String mode;
if ( request.getParameter("img")!=null ) {
mode= "img";
} else if ( "Print SVG".equals(request.getParameter("printsvg")) ) {
mode= "svg";
} else if ( "Print PDF".equals( request.getParameter("printpdf")) ) {
mode= "pdf";
} else if ( request.getParameter("text")!=null ) {
mode= "text";
} else {
mode= "init";
}
long t0= System.currentTimeMillis();
String key= request.getParameter("key");
if ( key==null ) key="";
logger.log( Level.INFO, "enter ScriptGUIServlet: {0} {1}", new Object[] { mode, key } );
Map params= request.getParameterMap();
Map<String,String> ssparams= new LinkedHashMap<>();
StringBuilder sbparams= new StringBuilder();
for ( Object o: params.entrySet() ) {
Entry e= (Entry)o;
String value= Array.get(e.getValue(),0).toString();
ssparams.put( e.getKey().toString(), value );
sbparams.append("&").append(e.getKey().toString()).append("=").append(value);
}
String sparams= sbparams.toString();
String scriptURI= script;
URISplit split= URISplit.parse(script);
String pwd= split.path;
String name= split.file.substring(split.path.length());
File scriptFile= DataSetURI.getFile( script, new NullProgressMonitor() );
script= FileUtil.readFileToString(scriptFile);
if ( request.getParameter("img")!=null ) {
if ( !( getKeyFile( key,".png.t" ).exists() || getKeyFile( key,".png" ).exists() ) ) {
throw new IOException( "invalid key: "+key );
}
writeOutputImage( key, response );
} else if ( "Print SVG".equals( request.getParameter("printsvg") ) ) {
String[] ss= new String[ssparams.size()];
int i=0;
for ( Entry<String,String> e: ssparams.entrySet() ) {
ss[i] = e.getKey() + "=" + e.getValue();
i++;
}
printScript( response, key, scriptURI, script, name, ss, pwd, "svg" );
} else if ( "Print PDF".equals( request.getParameter("printpdf") ) ) {
String[] ss= new String[ssparams.size()];
int i=0;
for ( Entry<String,String> e: ssparams.entrySet() ) {
ss[i] = e.getKey() + "=" + e.getValue();
i++;
}
printScript( response, key, scriptURI, script, name, ss, pwd, "pdf" );
} else if ( request.getParameter("text")!=null ) {
if ( !( getKeyFile( key,".txt.t" ).exists() || getKeyFile( key,".txt" ).exists() ) ) {
throw new IOException( "invalid key: "+key );
}
writeOutputText( key, response );
} else {
// key= String.format( "%06d", (int)( Math.random() * 100000 ) );
key = String.format( "%010d", Math.abs(sparams.hashCode()) );
writeParametersForm(key, response, pwd, script, ssparams, name, scriptURI, sparams);
String[] ss= new String[ssparams.size()];
int i=0;
for ( Entry<String,String> e: ssparams.entrySet() ) {
ss[i] = e.getKey() + "=" + e.getValue();
i++;
}
boolean runScript= true;
File existingImageFile = getKeyFile( key, ".png" );
if ( existingImageFile.exists() ) {
long ageMillis= t0 - existingImageFile.lastModified();
if ( ageMillis<3600000 ) {
runScript= false;
}
}
if ( runScript ) {
existingImageFile = getKeyFile( key, ".png.t" );
if ( existingImageFile.exists() ) {
long ageMillis= t0 - existingImageFile.lastModified();
if ( ageMillis<3600000 ) {
runScript= false;
}
}
}
if ( runScript ) {
// create empty new files for placeholders.
File textKeyFile= getKeyFile( key, ".txt.t" );
if ( textKeyFile.exists() ) {
if ( !textKeyFile.delete() ) {
throw new IllegalArgumentException("unable to delete temporary key file. Please refresh to try again.");
}
}
if ( !textKeyFile.createNewFile() ) throw new IllegalArgumentException("unable to create file: "+textKeyFile);
File imageKeyFile = getKeyFile( key, ".png.t" );
if ( imageKeyFile.exists() ) {
if ( !imageKeyFile.delete() ) {
throw new IllegalArgumentException("unable to delete temporary image file. Please refresh to try again.");
}
}
if ( !imageKeyFile.createNewFile() ) throw new IllegalArgumentException("unable to create file: "+imageKeyFile);
startScript( request, key, scriptURI, script, name, ss, pwd );
}
}
logger.log( Level.INFO, "exit ScriptGUIServlet: {0} {1} {2}",
new Object[] { mode, key, String.format("%.2f", (System.currentTimeMillis()-t0)/1000. ) } );
}
/**
* park this thread and wait for the image to be output by the other thread.
* @param key
* @param response
* @throws IOException
* @throws UnknownHostException
*/
private void writeOutputImage( String key, HttpServletResponse response ) throws IOException, UnknownHostException {
File keyFile= getKeyFile( key,".png" );
long t0= System.currentTimeMillis();
while ( !keyFile.exists() ) {
if ( ( System.currentTimeMillis()-t0 )> TIMEOUT_SCRIPT ) {
throw new IOException( String.format( "timeout, process takes longer than %d seconds", TIMEOUT_SCRIPT/1000 ) );
}
Thread.yield();
}
// To support load balancing, insert the actual host that resolved the request
response.setHeader( "X-Served-By", java.net.InetAddress.getLocalHost().getCanonicalHostName() );
response.setHeader( "X-ScriptGUIServlet-Key", key );
try ( InputStream ins= new FileInputStream(keyFile); OutputStream out = response.getOutputStream() ) {
byte[] buf= new byte[48000];
int i;
while ( (i=ins.read(buf))>-1 ) {
out.write( buf, 0, i );
}
}
}
/**
* park this thread and wait for the text to be output by the other thread.
* @param key
* @param response
* @throws IOException
* @throws UnknownHostException
*/
private void writeOutputText( String key, HttpServletResponse response ) throws IOException, UnknownHostException {
File keyFile= getKeyFile( key,".txt" );
long t0= System.currentTimeMillis();
while ( !keyFile.exists() ) {
if ( ( System.currentTimeMillis()-t0 )> TIMEOUT_SCRIPT ) {
throw new IOException( String.format( "timeout, process takes longer than %d seconds", TIMEOUT_SCRIPT/1000 ) );
}
Thread.yield();
}
response.setHeader( "X-Served-By", java.net.InetAddress.getLocalHost().getCanonicalHostName() );
response.setHeader( "X-ScriptGUIServlet-Key", key );
try ( InputStream ins= new FileInputStream(keyFile); OutputStream out = response.getOutputStream() ) {
byte[] buf= new byte[48000];
int i;
while ( (i=ins.read(buf))>-1 ) {
out.write( buf, 0, i );
}
}
}
/**
* copy of JythonUtil.runScript allows the stdout to be gathered.
* @param dom
* @param in
* @param out
* @param name
* @param argv
* @param pwd
* @throws IOException
*/
private void runScript( Application dom, InputStream in, OutputStream out, String name, String[] argv, String pwd )
throws IOException {
if ( argv==null ) argv= new String[] {};
String[] pyInitArgv= new String[ argv.length+1 ];
pyInitArgv[0]= name;
System.arraycopy(argv, 0, pyInitArgv, 1, argv.length);
PySystemState.initialize( PySystemState.getBaseProperties(), null, pyInitArgv );
// legacy support sys.argv. now we use getParam
PythonInterpreter interp = JythonUtil.createInterpreter(true, false, dom, new NullProgressMonitor() );
if ( pwd!=null ) {
pwd= URISplit.format( URISplit.parse(pwd) ); // sanity check against injections
interp.exec("PWD='"+pwd+"'");// JythonRefactory okay
}
interp.exec("import autoplot2017 as autoplot");// JythonRefactory okay
interp.setOut(out);
int iargv=1; // skip the zeroth one, it is the name of the script
for (String s : argv ) {
int ieq= s.indexOf('=');
if ( ieq>0 ) {
String snam= s.substring(0,ieq).trim();
if ( DataSourceUtil.isJavaIdentifier(snam) ) {
String sval= s.substring(ieq+1).trim();
// if ( snam.equals("resourceURI") ) { // check to see if pwd can be inserted
// URISplit split= URISplit.parse(sval);
// if ( split.path==null ) {
// sval= pwd + sval;
// }
// }
interp.exec("autoplot.params['" + snam + "']='" + sval+"'");// JythonRefactory okay
} else {
if ( snam.startsWith("-") ) {
System.err.println("\n!!! Script arguments should not start with -, they should be name=value");
}
System.err.println("bad parameter: "+ snam);
}
} else {
interp.exec("autoplot.params['arg_" + iargv + "']='" + s +"'" );// JythonRefactory okay
iargv++;
}
}
if ( name==null ) {
interp.execfile(JythonRefactory.fixImports(in));
} else {
interp.execfile(JythonRefactory.fixImports(in,name),name);
}
}
private File getKeyFile( String key, String ext ) {
File keyhome= new File( ServletUtil.getServletHome().getAbsolutePath(), "key" );
if ( !keyhome.exists() ) {
if ( !keyhome.mkdirs() ) {
throw new IllegalArgumentException("Unable to make key file folder");
}
}
return new File( keyhome, key+ ext );
}
private void printScript( HttpServletResponse response, String key, String scriptURI, String script,
String name, String[] aaparams, String pwd, String format ) throws IOException {
try {
File scriptLogArea= new File( ServletUtil.getServletHome(), "log" );
if ( !scriptLogArea.exists() ) {
if ( !scriptLogArea.mkdirs() ) {
logger.warning("unable to make log area");
}
}
File scriptLogFile= new File( scriptLogArea, "ScriptGUIServlet.log" );
Datum n= TimeUtil.now();
TimeParser tp= TimeParser.create( TimeParser.TIMEFORMAT_Z );
String s= tp.format( n ) + "\t" + key + "\t" + scriptURI ;
try ( PrintWriter w= new PrintWriter( new FileWriter( scriptLogFile, scriptLogFile.exists() ) ) ) {
w.println(s);
}
if ( !"true".equals(System.getProperty("java.awt.headless")) ) {
throw new IllegalArgumentException("java.awt.headless must be set to true");
}
org.autoplot.jythonsupport.JythonUtil.ScriptDescriptor sd0=
org.autoplot.jythonsupport.JythonUtil.describeScript( null, script, null );
aaparams= interpretAsParams( sd0, aaparams );
logger.fine("add fonts, which must be done with headless mode");
//System.getProperty("java.awt.headless");
org.autoplot.Util.addFonts(); // PROBLEMS
ApplicationModel model = new ApplicationModel();
model.setExceptionHandler( new DumpRteExceptionHandler() );
model.addDasPeersToAppAndWait();
Application dom= model.getDom();
logger.log(Level.FINE, "dom: {0}", dom);
logger.log(Level.FINE, "dom options: {0}", dom.getOptions());
dom.getOptions().setAutolayout(false);
PythonInterpreter interp = JythonUtil.createInterpreter( true, true );
interp.set("java",null);
interp.set("org",null);
interp.set("getFile",null);
interp.set("dom",dom);
interp.set("downloadResourceAsTempFile",null);
LoggingOutputStream los1= new LoggingOutputStream( Logger.getLogger("autoplot.servlet.scriptservlet"), Level.INFO );
interp.setOut( los1 );
script= JythonRefactory.fixImports(script);
ScriptContext.setApplicationModel(model); // why must I do this???
script= "def showMessageDialog(msg): \n pass\n" + script;
long t0= System.currentTimeMillis();
timelogger.log(Level.FINE, "begin runScript {0}", name);
File consoleKeyFile= getKeyFile( key, ".txt.t" );
try ( OutputStream baos= new FileOutputStream( consoleKeyFile, true ) ) {
runScript( dom,
new ByteArrayInputStream(script.getBytes("UTF-8")),
baos,
name,
aaparams,
pwd );
} catch ( Exception ex ) {
try ( PrintWriter write= new PrintWriter( new FileWriter( consoleKeyFile, true ) ) ) {
ex.printStackTrace(write);
}
}
long elapsedTime= System.currentTimeMillis()-t0;
timelogger.log(Level.FINE, "end printScript {0} ({1}ms)", new Object[]{name, elapsedTime });
waitUntilIdle();
if ( format.equals("svg") ) {
Class goClass = Class.forName("org.das2.util.awt.SvgGraphicsOutput");
GraphicsOutput go = (GraphicsOutput) goClass.newInstance();
DasCanvas c = dom.getController().getApplicationModel().getCanvas();
c.writeToGraphicsOutput( response.getOutputStream(), go );
} else {
Class goClass = Class.forName( "org.das2.util.awt.PdfGraphicsOutput" );
GraphicsOutput go = (GraphicsOutput) goClass.newInstance();
DasCanvas c = dom.getController().getApplicationModel().getCanvas();
c.writeToGraphicsOutput( response.getOutputStream(), go );
}
} catch (InstantiationException ex) {
Logger.getLogger(ScriptGUIServlet.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
Logger.getLogger(ScriptGUIServlet.class.getName()).log(Level.SEVERE, null, ex);
} catch (ClassNotFoundException ex) {
Logger.getLogger(ScriptGUIServlet.class.getName()).log(Level.SEVERE, null, ex);
}
}
private synchronized void startScript( HttpServletRequest request, String key, String scriptURI, String script, String name, String[] aaparams, String pwd) throws IOException {
File scriptLogArea= new File( ServletUtil.getServletHome(), "log" );
if ( !scriptLogArea.exists() ) {
if ( !scriptLogArea.mkdirs() ) {
logger.warning("unable to make log area");
}
}
File scriptLogFile= new File( scriptLogArea, "ScriptGUIServlet.log" );
Datum n= TimeUtil.now();
TimeParser tp= TimeParser.create( TimeParser.TIMEFORMAT_Z );
String s= tp.format( n ) + "\t" + key + "\t" + scriptURI ;
try ( PrintWriter w= new PrintWriter( new FileWriter( scriptLogFile, scriptLogFile.exists() ) ) ) {
w.println(s);
}
if ( !"true".equals(System.getProperty("java.awt.headless")) ) {
throw new IllegalArgumentException("java.awt.headless must be set to true");
}
logger.fine("add fonts, which must be done with headless mode");
//System.getProperty("java.awt.headless");
org.autoplot.Util.addFonts(); // PROBLEMS
ApplicationModel model = new ApplicationModel();
model.setExceptionHandler( new DumpRteExceptionHandler() );
model.addDasPeersToAppAndWait();
Application dom= model.getDom();
logger.log(Level.FINE, "dom: {0}", dom);
logger.log(Level.FINE, "dom options: {0}", dom.getOptions());
dom.getOptions().setAutolayout(false);
PythonInterpreter interp = JythonUtil.createInterpreter( true, true );
interp.set("java",null);
interp.set("org",null);
interp.set("getFile",null);
interp.set("dom",dom);
interp.set("downloadResourceAsTempFile",null);
LoggingOutputStream los1= new LoggingOutputStream( Logger.getLogger("autoplot.servlet.scriptservlet"), Level.INFO );
interp.setOut( los1 );
script= JythonRefactory.fixImports(script);
ScriptContext.setApplicationModel(model); // why must I do this???
script= "def showMessageDialog(msg): \n pass\n" + script;
long t0= System.currentTimeMillis();
timelogger.log(Level.FINE, "begin runScript {0}", name);
File consoleKeyFile= getKeyFile( key, ".txt.t" );
DasCanvas c = dom.getController().getApplicationModel().getCanvas();
int width= dom.getCanvases(0).getWidth();
int height= dom.getCanvases(0).getHeight();
BufferedImage baseImage = c.getImage(width,height);
boolean success= false;
try ( OutputStream baos= new FileOutputStream( consoleKeyFile, true ) ) {
runScript( dom,
new ByteArrayInputStream(script.getBytes("UTF-8")),
baos,
name,
aaparams,
pwd );
success= true;
} catch ( Exception ex ) {
try ( PrintWriter write= new PrintWriter( new FileWriter( consoleKeyFile, true ) ) ) {
ex.printStackTrace(write);
}
}
if ( success ) {
File imageKeyFile = getKeyFile( key, ".png.t" );
try ( FileOutputStream out= new FileOutputStream( imageKeyFile, true ) ) {
Map<String,Object> params= new LinkedHashMap<>();
for ( int i=0; i<aaparams.length; i++ ) {
String p= aaparams[i];
if ( p.startsWith("script=") ) continue;
int ieq= p.indexOf("=");
if ( ieq>-1 ) params.put( p.substring(0,ieq), p.substring(ieq+1) );
}
String suri= URISplit.format( "script", scriptURI, params );
writeToPng(dom, suri, baseImage, out );
}
if ( !imageKeyFile.renameTo( getKeyFile( key, ".png" ) ) ) {
throw new IllegalArgumentException("unable to rename file (.png)");
}
if ( !consoleKeyFile.renameTo( getKeyFile( key, ".txt" ) ) ) {
throw new IllegalArgumentException("unable to rename file (.txt)");
}
} else {
// clean up after ourselves...
File imageKeyFile = getKeyFile( key, ".png.t" );
boolean throwException=false;
if ( ! imageKeyFile.delete() ) {
throwException= true;
}
if ( !consoleKeyFile.delete() ) {
throwException= true;
}
if ( throwException ) {
throw new IOException("unable to delete png or console output, someone will have to deal with this...");
}
}
long elapsedTime= System.currentTimeMillis()-t0;
File keyLogFile= getKeyFile( key, ".stats" );
try ( PrintStream outs= new PrintStream( new FileOutputStream( keyLogFile ) ) ) {
outs.println( "ExecutionTimeMs: "+ elapsedTime );
outs.println( "Script: "+ scriptURI + "?"+ String.join("&", aaparams) );
outs.println( "ClientId: "+ SecurityUtil.clientId(request) );
outs.println( "UserAgent: " + request.getHeader("User-Agent") );
}
timelogger.log(Level.FINE, "end runScript {0} ({1}ms)", new Object[]{name, elapsedTime });
}
private static boolean isBoolean( Param p ) {
if ( p.enums==null || p.enums.size()!=2 ) return false;
if ( p.type=='A' && p.enums.size()==2 && p.enums.contains("T") && p.enums.contains("F") ) return true;
if ( p.type=='F' && p.enums.size()==2 && p.enums.contains(0) && p.enums.contains(1) ) return true;
return false;
}
/**
* go through and convert "on" to "1", etc. Note doubles will still be Strings, URIs will still be Strings, etc.
* ssparams will be modified and a copy is returned.
* @param sd0
* @param ssparams
* @return the map is returned as a string-object version for convenience.
*/
private static Map<String,Object> interpretAsParams( org.autoplot.jythonsupport.JythonUtil.ScriptDescriptor sd0,
Map<String,String> ssparams ) {
Map<String,Object> result= new LinkedHashMap<>();
// go through and convert "on" to 1, etc.
for ( Param p: sd0.getParams() ) {
String svalue= ssparams.get(p.name);
if ( isBoolean(p) ) {
if ( svalue!=null ) {
if ( svalue.equals("on") ) {
if ( p.type=='F' ) {
result.put( p.name, "1" );
ssparams.put( p.name, "1" );
} else {
result.put( p.name, "T" );
ssparams.put( p.name, "T" );
}
} else {
if ( p.type=='F' ) {
result.put( p.name, "0" );
ssparams.put( p.name, "0" );
} else {
result.put( p.name, "F" );
ssparams.put( p.name, "F" );
}
}
}
} else {
result.put( p.name, svalue );
}
}
return result;
}
/**
* go through and convert "on" to "1", etc. Note doubles will still be Strings, URIs will still be Strings, etc.
* ssparams will be modified and a copy is returned.
* @param sd0
* @param ssparams
* @return the map is returned as a string-object version for convenience.
*/
private static String[] interpretAsParams( org.autoplot.jythonsupport.JythonUtil.ScriptDescriptor sd0,
String[] ssparams ) {
for ( int i=0; i<ssparams.length; i++ ) {
if ( ssparams[i].endsWith("=on") ) {
ssparams[i]= ssparams[i].substring(0,ssparams[i].length()-3) + "=1";
} else if (ssparams[i].endsWith("=off") ) {
ssparams[i]= ssparams[i].substring(0,ssparams[i].length()-3) + "=0";
}
}
//TODO: much
return ssparams;
}
private void writeParametersForm( String key, HttpServletResponse response,
String pwd,
String script,
Map<String, String> ssparams,
String name,
String scriptURI,
String sparams) throws IOException {
response.setContentType("text/html;charset=UTF-8");
Map<String,Object> env= new HashMap<>();
env.put( "PWD", pwd );
long t0= System.currentTimeMillis();
timelogger.log(Level.FINE, "begin describeScript {0}", name);
org.autoplot.jythonsupport.JythonUtil.ScriptDescriptor sd0=
org.autoplot.jythonsupport.JythonUtil.describeScript( env, script, null );
Map<String,Object> params= interpretAsParams( sd0, ssparams );
org.autoplot.jythonsupport.JythonUtil.ScriptDescriptor sd=
org.autoplot.jythonsupport.JythonUtil.describeScript( env, script, ssparams );
timelogger.log(Level.FINE, "end describeScript {0} ({1}ms)", new Object[]{name, System.currentTimeMillis()-t0});
String uri= URISplit.format( "vap+jy", scriptURI, params );
try (PrintWriter out = response.getWriter()) {
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>"+name+"</title>");
out.println("<script src=\"ScriptGUIServlet.js\"></script>");
out.println("</head>");
out.println("<body>");
if ( sd.getTitle().length()>0 ) {
out.println("<h1>"+sd.getTitle()+"</h1>");
if ( sd.getDescription().length()>0 ) {
out.println("<p>"+sd.getDescription() +"</p>");
}
} else {
out.println("<h1>"+pwd + name+"</h1>");
if ( sd.getDescription().length()>0 ) {
out.println("<p>"+sd.getDescription() +"</p>");
}
}
out.println("<table><tr>");
out.println("<td valign='top'>");
out.println("<form action='ScriptGUIServlet'>");
for ( Param p: sd.getParams() ) {
p.doc= p.doc.trim();
Object currentValue= p.value == null ? p.deft : p.value;
String andDoc= p.doc.length()>0 ? ( ", <em>"+ p.doc +"</em>" ) : "";
boolean isCheckBox= isBoolean(p);
if ( !isCheckBox ) {
out.println(""+p.name + andDoc +"<br>");
} else {
out.println("<label>");
}
if ( p.enums!=null ) {
if ( isCheckBox ) {
if ( "T".equals(currentValue) ) {
out.println("<input type='checkbox' name='"+p.name+"' checked>"+p.name + andDoc );
} else if ( currentValue.equals(1) ) {
out.println("<input type='checkbox' name='"+p.name+"' checked>"+p.name + andDoc );
} else if ( "on".equals(currentValue) ) {
out.println("<input type='checkbox' name='"+p.name+"' checked>"+p.name + andDoc );
sparams= sparams.replace(p.name+"=on", p.name+"=T");
} else {
out.println("<input type='checkbox' name='"+p.name+"'>"+p.name + andDoc );
}
} else {
out.println("<select name='"+p.name+"'>");
for ( Object s: p.enums ) {
if ( s.equals(currentValue) ) {
out.println("<option value='"+s+"' selected>"+s+"</input>");
} else {
out.println("<option value='"+s+"'>"+s+"</input>");
}
}
out.println("</select>");
}
} else if ( (p.type=='F') || (p.type=='A') ) {
Object s= (p.value!=null) ? p.value : p.deft;
if ( p.examples!=null && p.examples.size()>0 ) {
out.println("<input name='"+p.name+"' value='"+s+"' list='examples"+p.name+"'></input>");
out.println("<datalist id='examples"+p.name+"'>");
for ( Object ex: p.examples ) {
out.println("<option value='"+ex+"'>"+ex+"</option>");
}
out.println("</datalist>");
} else {
out.println("<input name='"+p.name+"' value='"+s+"'></input>");
}
} else if ( p.type=='T' ) {
//TODO: nice timerange GUI
Object s= (p.value!=null) ? p.value : p.deft;
out.println("<script language='javascript' src='sprintf.js'></script>");
out.println("<script language='javascript' src='TimeUtil.js'></script>");
out.println("<script language='javascript' src='util.js'></script>");
out.println("<input name='"+p.name+"' value='"+s+"' size='34'></input>");
out.println("<button title='update' onclick='updateInterval("+p.name+")' hidden=1> UP</button><br>");
out.println("<button title='Previous interval' onclick='previousInterval("+p.name+")'><< PREV</button>");
out.println("<button title='Next interval' onclick='nextInterval("+p.name+")'>NEXT >></button>");
//out.println("<script language='javascript'>addScanButtons(dom.getElementById('"+p.name+"'),null,null)</script>");
} else {
//TODO: GUIs for URIs and other parameters.
Object s= (p.value!=null) ? p.value : p.deft;
out.println("<input name='"+p.name+"' value='"+s+"'></input>");
}
if ( isCheckBox ) {
out.println("</label>");
}
out.println("<br><br>");
}
if ( sd.getParams().isEmpty() ) {
out.println("script has no parameters.");
out.println("<br><br>");
}
out.println("<input type='hidden' name='script' value='"+scriptURI+"'>\n");
out.println("<input type='submit' value='Submit'>\n");
out.println("<hr>\n");
out.println("<input type='submit' value='Print SVG' name='printsvg' value='svg'>\n");
out.println("<input type='submit' value='Print PDF' name='printpdf' value='pdf'>\n");
out.println("</form>\n");
out.println( "</td>\n");
out.println( "<td valign='top'>\n");
out.println( "<div border=1></div>\n");
out.println("<img id='outputImage' src='ScriptGUIServlet?img=1&key="+key+sparams+"' alt='image' width='800' height='500'>\n" );
out.println( "</td>\n");
out.println( "</tr>\n");
out.println( "</table>\n");
out.println("<br>\n");
out.println("Console Output:<br>\n");
out.println("<iframe id='stdoutp' src='ScriptGUIServlet?text=1&key="+key+sparams+"' width='800'></iframe>\n" );
out.println( "<hr>\n" );
out.println("Running script <a href="+scriptURI+">"+scriptURI+"</a>");
out.println("Pick <a href='ScriptGUIServletPick'>another</a>...\n");
out.println("<br><small>key="+key+" "+uri+"</small> ");
out.println("<script>clearImageSizeWhenLoaded(document.getElementById('outputImage'));</script>");
out.println("</body>");
out.close();
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}