Package de.odysseus.el.util

Examples of de.odysseus.el.util.SimpleContext

50
51
52
53
54
55
56
57
58
59
60
61
62
  /**
   * Usage example.
   */
  public static void main(String[] args) throws SAXException, IOException {
    // create our expression context
    ELContext context = new SimpleContext();
    // set value for top-level property "home"
    context.getELResolver().setValue(context, null, "home", "/foo/bar");
    // create our filtered reader
    XMLReader reader = new XMELFilter(XMLReaderFactory.createXMLReader(), context);
    // simple test content handler to print elements and attributes to stdout
    reader.setContentHandler(new DefaultHandler() {
      @Override
View Full Code Here
96
97
98
99
100
101
102
103
104
105
106
    // create our resolver
    ELResolver resolver = new MethodResolver(method);

    // create our context
    ELContext context = new SimpleContext(resolver);

    // let's go...
    ValueExpression e = null;
   
    e = f.createValueExpression(context, "${'foo'.matches('foo|bar')}", boolean.class);
View Full Code Here
58
59
60
61
62
63
64
65
66
67
68
69
70
  /**
   * Usage example.
   */
  public static void main(String[] args) throws SAXException, IOException {
    // create our expression context
    ELContext context = new SimpleContext();
    // set value for top-level property "home"
    context.getELResolver().setValue(context, null, "home", "/foo/bar");
    // create our filtered reader
    XMLReader reader = new AttributesFilter(XMLReaderFactory.createXMLReader(), context);
    // simple test content handler to print elements and attributes to stdout
    reader.setContentHandler(new DefaultHandler() {
      @Override
View Full Code Here
70
71
72
73
74
75
76
77
78
79
80
81
82
  /**
   * Usage example.
   */
  public static void main(String[] args) throws SAXException, IOException {
    // create our expression context
    ELContext context = new SimpleContext();
    // set value for top-level property "home"
    context.getELResolver().setValue(context, null, "home", "/foo/bar");
    // create our filtered reader
    XMLReader reader = new TextFilter(XMLReaderFactory.createXMLReader(), context);
    // simple test content handler to print elements and attributes to stdout
    reader.setContentHandler(new DefaultHandler() {
      @Override
View Full Code Here
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
    // create our factory which uses our customized builder
    ExpressionFactory f = new ExpressionFactoryImpl(new TreeStore(builder, new Cache(10)));

    // create our context
    ELContext context = new SimpleContext();

    // create our expression we want to evaluate
    ValueExpression e = f.createValueExpression(context, "${map[null]}", String.class);

    // create a map containing a value for key <code>null</code> and make it available
    Map<String, String> map = new HashMap<String, String>();
    map.put(null, "foo");
    context.getELResolver().setValue(context, null, "map", map);

    // let's go...
    System.out.println(e.getValue(context)); // --> "foo"
  }
View Full Code Here
32
33
34
35
36
37
38
39
40
41
42
43
    System.setProperty("javax.el.varArgs", "true");   
    ExpressionFactory f = new ExpressionFactoryImpl(System.getProperties());

    // create our context with function "vararg:format"
    Method method = String.class.getMethod("format", new Class[]{String.class, Object[].class});
    SimpleContext context = new SimpleContext();
    context.setFunction("varargs", "format", method);

    // our expression we want to evaluate
    String expression = "${varargs:format('Hey %s','Joe')}";

    // let's go...
View Full Code Here
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
*/
public class Calculator {
  public static void main(String[] args) throws NoSuchMethodException, IOException {
    ExpressionFactory factory = new ExpressionFactoryImpl();

    SimpleContext context = new SimpleContext();

    // variables e, pi
    context.setVariable("e", factory.createValueExpression(Math.E, double.class));
    context.setVariable("pi", factory.createValueExpression(Math.PI, double.class));
   
    // functions sin, cos, tan, exp, log, abs, sqrt, min, max, pow
    context.setFunction("", "sin", Math.class.getMethod("sin", double.class));
    context.setFunction("", "cos", Math.class.getMethod("cos", double.class));
    context.setFunction("", "tan", Math.class.getMethod("tan", double.class));
    context.setFunction("", "exp", Math.class.getMethod("exp", double.class));
    context.setFunction("", "log", Math.class.getMethod("log", double.class));
    context.setFunction("", "abs", Math.class.getMethod("abs", double.class));
    context.setFunction("", "sqrt", Math.class.getMethod("sqrt", double.class));
    context.setFunction("", "min", Math.class.getMethod("min", double.class, double.class));
    context.setFunction("", "max", Math.class.getMethod("max", double.class, double.class));
    context.setFunction("", "pow", Math.class.getMethod("pow", double.class, double.class));

    // print out the rules of the game...
    System.out.println("> Enter one expression per line (without \"${\" and \"}\"). An expressions matching");
    System.out.println("> \"m[0-9]*\" saves the previous evaluation result to \"memory\". Other expressions");
    System.out.println("> are simply evaluated. Functions are sin, cos, tan, exp, log, abs, sqrt, min,");
View Full Code Here
138
139
140
141
142
143
144
145
146
147
148
    }
    NodePrinter.dump(out, tree.getRoot());
    if (!tree.getFunctionNodes().iterator().hasNext() && !tree.getIdentifierNodes().iterator().hasNext()) {
      out.print(">> ");
      try {
        out.println(tree.getRoot().getValue(new Bindings(null, null), new SimpleContext(), null));
      } catch (ELException e) {
        out.println(e.getMessage());
      }
    }
    out.flush();
View Full Code Here
110
111
112
113
114
115
116
117
118
119
120
        "${'abab' matches '(ba)*'}",
        "${'abab' ~ '(ab)*'}",
        "${'abab' ~ '(ba)*'}"
    };

    SimpleContext context = new SimpleContext();
    for (String expression : expressions) {
      ValueExpression e = factory.createValueExpression(context, expression, boolean.class);
      System.out.println(expression + " --> " + e.getValue(context));
    }
  }
View Full Code Here
35
36
37
38
39
40
41
42
43
44
45
  SimpleContext context;
  TreeStore store = new TreeStore(new Builder(), null);
 
  @Override
  protected void setUp() throws Exception {
    context = new SimpleContext(new SimpleResolver(new BeanELResolver()));
    context.getELResolver().setValue(context, null, "base", this);

    // variables var_long_1, var_long_2
    context.setVariable("var_long_1", new TreeValueExpression(store, null, null, null, "${1}", long.class));
    context.setVariable("var_long_2", new TreeValueExpression(store, null, null, null, "${1}", long.class));
View Full Code Here
TOP

Related Classes of de.odysseus.el.util.SimpleContext

  • com.opengamma.financial.expression.ELExpressionParser
  • de.odysseus.el.ExpressionFactoryImplTest
  • de.odysseus.el.samples.calculator.Calculator
  • de.odysseus.el.samples.experimental.SyntaxExtension
  • de.odysseus.el.samples.extensions.MethodInvocations
  • de.odysseus.el.samples.extensions.NullProperties
  • de.odysseus.el.samples.extensions.VarArgs
  • de.odysseus.el.samples.xml.sax.AttributesFilter
  • de.odysseus.el.samples.xml.sax.TextFilter
  • de.odysseus.el.samples.xml.sax.XMELFilter
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.