Examples with ExpressionCompiler org.mule.mvel2.compiler.ExpressionCompiler used on opensource projects

Example 51 with ExpressionCompiler

use of org.mule.mvel2.compiler.ExpressionCompiler in project mvel by mvel.

the class MVEL method analysisCompile.

/**
 * Performs an analysis compileShared, which will populate the ParserContext with type, input and variable information,
 * but will not produce a payload.
 *
 * @param expression - the expression to analyze
 * @param ctx        - the parser context
 */
public static void analysisCompile(char[] expression, ParserContext ctx) {
    ExpressionCompiler compiler = new ExpressionCompiler(expression, ctx);
    compiler.setVerifyOnly(true);
    compiler.compile();
}

Example 52 with ExpressionCompiler

use of org.mule.mvel2.compiler.ExpressionCompiler in project mvel by mvel.

the class MVEL method analyze.

public static Class analyze(char[] expression, ParserContext ctx) {
    ExpressionCompiler compiler = new ExpressionCompiler(expression, ctx);
    compiler.setVerifyOnly(true);
    compiler.compile();
    return compiler.getReturnType();
}

Example 53 with ExpressionCompiler

use of org.mule.mvel2.compiler.ExpressionCompiler in project mvel by mvel.

the class CoreConfidenceTests method testParserErrorHandling.

public void testParserErrorHandling() {
    final ParserContext ctx = new ParserContext();
    ExpressionCompiler compiler = new ExpressionCompiler("a[", ctx);
    try {
        compiler.compile();
    } catch (Exception e) {
        return;
    }
    assertTrue(false);
}

Example 54 with ExpressionCompiler

use of org.mule.mvel2.compiler.ExpressionCompiler in project mvel by mvel.

the class CoreConfidenceTests method testListNestedInsideList.

public void testListNestedInsideList() {
    ParserContext ctx = new ParserContext();
    ctx.addImport("User", User.class);
    ExpressionCompiler compiler = new ExpressionCompiler("users = [ new User('Darth', 'Vadar'), " + "new User('Bobba', 'Feta') ]; [ users.get( 0 ), users.get( 1 ) ]", ctx);
    List list = (List) executeExpression(compiler.compile(), new HashMap());
    User user = (User) list.get(0);
    assertEquals("Darth", user.getFirstName());
    user = (User) list.get(1);
    assertEquals("Bobba", user.getFirstName());
    compiler = new ExpressionCompiler("users = [ new User('Darth', 'Vadar'), " + "new User('Bobba', 'Feta') ]; [ users[0], users[1] ]", ctx);
    list = (List) executeExpression(compiler.compile(), new HashMap());
    user = (User) list.get(0);
    assertEquals("Darth", user.getFirstName());
    user = (User) list.get(1);
    assertEquals("Bobba", user.getFirstName());
}

Example 55 with ExpressionCompiler

use of org.mule.mvel2.compiler.ExpressionCompiler in project mvel by mvel.

the class CoreConfidenceTests method testStaticNestedWithMethodCall.

public void testStaticNestedWithMethodCall() {
    String expr = "item = new Item( \"Some Item\"); $msg.addItem( item ); return $msg";
    ParserContext context = new ParserContext();
    context.setStrictTypeEnforcement(false);
    context.addImport("Message", Message.class);
    context.addImport("Item", Item.class);
    // Serializable compiledExpression = compiler.compileShared(context);
    Map vars = new HashMap();
    vars.put("$msg", new Message());
    ExpressionCompiler compiler = new ExpressionCompiler(expr, context);
    Message msg = (Message) executeExpression(compiler.compile(), vars);
    Item item = (Item) msg.getItems().get(0);
    assertEquals("Some Item", item.getName());
}