Example usage for javax.script ScriptEngineFactory getProgram

Introduction

In this page you can find the example usage for javax.script ScriptEngineFactory getProgram.

Prototype

public String getProgram(String... statements);

Source Link

Document

Returns a valid scripting language executable program with given statements.

Usage

From source file:ca.hedlund.jiss.preprocessor.LangPreprocessor.java

private void printCurrentLang(JissModel model, StringBuffer cmd) {
    final List<String> cmds = new ArrayList<String>();

    final ScriptEngineFactory factory = model.getScriptEngine().getFactory();
    final String engineInfo = factory.getLanguageName() + " " + factory.getLanguageVersion() + ":"
            + factory.getEngineName() + " " + factory.getEngineVersion();
    cmds.add(createPrintCmd(model, engineInfo));

    final String prog = StringEscapeUtils.unescapeJava(factory.getProgram(cmds.toArray(new String[0])));
    cmd.append(prog);/*from  ww w . ja  va  2s.c  om*/
}

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From source file:ca.hedlund.jiss.preprocessor.LangPreprocessor.java

private void printLangs(JissModel model, StringBuffer cmd) {
    final ScriptEngineManager manager = new ScriptEngineManager(JissModel.class.getClassLoader());
    final List<String> cmds = new ArrayList<String>();

    for (ScriptEngineFactory factory : manager.getEngineFactories()) {
        final String engineInfo = factory.getLanguageName() + " " + factory.getLanguageVersion() + ":"
                + factory.getEngineName() + " " + factory.getEngineVersion();
        cmds.add(createPrintCmd(model, engineInfo));
    }//from  w ww  .  ja  v  a2  s  . com
    final ScriptEngineFactory factory = model.getScriptEngine().getFactory();
    final String prog = StringEscapeUtils.unescapeJava(factory.getProgram(cmds.toArray(new String[0])));
    cmd.append(prog);
}

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From source file:ca.hedlund.jiss.blocks.preprocessor.ListBlocksPreprocessor.java

@Override
public boolean preprocessCommand(JissModel jissModel, String orig, StringBuffer cmd) {
    if (!orig.startsWith("::block list"))
        return false;

    final ScriptEngine se = jissModel.getScriptEngine();
    final ScriptEngineFactory seFactory = se.getFactory();

    final boolean incnl = !seFactory.getOutputStatement("").startsWith("println");

    final List<String> blockInfoCmds = new ArrayList<String>();
    blockInfoCmds.add(seFactory.getOutputStatement("Available blocks:" + (incnl ? "\\n" : "")));

    final Matcher matcher = LIST_BLOCKS_PATTERN.matcher(orig);
    if (matcher.matches()) {
        final String blockNameRegex = matcher.group(1);
        final BlockManager bm = new BlockManager();

        for (String blockName : bm.getBlocks()) {
            boolean printBlock = true;
            if (blockNameRegex != null) {
                printBlock = blockName.matches(blockNameRegex);
            }//from   www. j  a v  a  2  s.c  o  m
            if (printBlock) {
                blockInfoCmds.add(seFactory.getOutputStatement(blockName) + (incnl ? "\\n" : ""));
            }
        }
    }

    final String program = seFactory.getProgram(blockInfoCmds.toArray(new String[0]));
    cmd.setLength(0);
    cmd.append(StringEscapeUtils.unescapeJava(program));

    return false;
}

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