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

Example 46 with ExpressionCompiler

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

the class CoreConfidenceTests method testTypeRegression.

public void testTypeRegression() {
    ExpressionCompiler compiler = new ExpressionCompiler("total = 0");
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(true);
    compiler.compile(ctx);
    assertEquals(Integer.class, compiler.getParserContextState().getVarOrInputType("total"));
}

Example 47 with ExpressionCompiler

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

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 ) ]");
    List list = (List) executeExpression(compiler.compile(ctx), 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] ]");
    list = (List) executeExpression(compiler.compile(ctx), new HashMap());
    user = (User) list.get(0);
    assertEquals("Darth", user.getFirstName());
    user = (User) list.get(1);
    assertEquals("Bobba", user.getFirstName());
}

Example 48 with ExpressionCompiler

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

the class CoreConfidenceTests method testComaProblemStrikesBack.

public void testComaProblemStrikesBack() {
    String ex = "a.explanation = \"There is a coma, in here\"";
    ParserContext ctx = new ParserContext();
    ExpressionCompiler compiler = new ExpressionCompiler(ex);
    Serializable s = compiler.compile(ctx);
    Base a = new Base();
    Map<String, Object> variables = new HashMap<String, Object>();
    variables.put("a", a);
    executeExpression(s, variables);
    assertEquals("There is a coma, in here", a.data);
}

Example 49 with ExpressionCompiler

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

the class CoreConfidenceTests method testTestIntToLong.

public void testTestIntToLong() {
    String s = "1+(long)a";
    ParserContext pc = new ParserContext();
    pc.addInput("a", Integer.class);
    ExpressionCompiler compiler = new ExpressionCompiler(s, pc);
    CompiledExpression expr = compiler.compile();
    Map vars = new HashMap();
    vars.put("a", 1);
    Object r = ((ExecutableStatement) expr).getValue(null, new MapVariableResolverFactory(vars));
    assertEquals(new Long(2), r);
}

Example 50 with ExpressionCompiler

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

the class CoreConfidenceTests method testEqualityRegression.

public void testEqualityRegression() {
    ExpressionCompiler compiler = new ExpressionCompiler("price == (new Integer( 5 ) + 5 ) ");
    compiler.compile();
}