Package org.springframework.expression.spel.standard

Examples of org.springframework.expression.spel.standard.SpelExpressionParser

92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
   * Scenario: using the standard context but adding your own variables
   */
  @Test
  public void testScenario_DefiningVariablesThatWillBeAccessibleInExpressions() throws Exception {
    // Create a parser
    SpelExpressionParser parser = new SpelExpressionParser();
    // Use the standard evaluation context
    StandardEvaluationContext ctx = new StandardEvaluationContext();
    ctx.setVariable("favouriteColour","blue");
    List<Integer> primes = new ArrayList<Integer>();
    primes.addAll(Arrays.asList(2,3,5,7,11,13,17));
    ctx.setVariable("primes",primes);

    Expression expr = parser.parseRaw("#favouriteColour");
    Object value = expr.getValue(ctx);
    assertEquals("blue", value);

    expr = parser.parseRaw("#primes.get(1)");
    value = expr.getValue(ctx);
    assertEquals(3, value);

    // all prime numbers > 10 from the list (using selection ?{...})
    expr = parser.parseRaw("#primes.?[#this>10]");
    value = expr.getValue(ctx);
    assertEquals("[11, 13, 17]", value.toString());
  }
View Full Code Here
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
   * Scenario: using your own root context object
   */
  @Test
  public void testScenario_UsingADifferentRootContextObject() throws Exception {
    // Create a parser
    SpelExpressionParser parser = new SpelExpressionParser();
    // Use the standard evaluation context
    StandardEvaluationContext ctx = new StandardEvaluationContext();

    TestClass tc = new TestClass();
    tc.setProperty(42);
    tc.str = "wibble";
    ctx.setRootObject(tc);

    // read it, set it, read it again
    Expression expr = parser.parseRaw("str");
    Object value = expr.getValue(ctx);
    assertEquals("wibble", value);
    expr = parser.parseRaw("str");
    expr.setValue(ctx, "wobble");
    expr = parser.parseRaw("str");
    value = expr.getValue(ctx);
    assertEquals("wobble", value);
    // or using assignment within the expression
    expr = parser.parseRaw("str='wabble'");
    value = expr.getValue(ctx);
    expr = parser.parseRaw("str");
    value = expr.getValue(ctx);
    assertEquals("wabble", value);

    // private property will be accessed through getter()
    expr = parser.parseRaw("property");
    value = expr.getValue(ctx);
    assertEquals(42, value);

    // ... and set through setter
    expr = parser.parseRaw("property=4");
    value = expr.getValue(ctx);
    expr = parser.parseRaw("property");
    value = expr.getValue(ctx);
    assertEquals(4,value);
  }
View Full Code Here
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
   */
  @Test
  public void testScenario_RegisteringJavaMethodsAsFunctionsAndCallingThem() throws SecurityException, NoSuchMethodException {
    try {
      // Create a parser
      SpelExpressionParser parser = new SpelExpressionParser();
      // Use the standard evaluation context
      StandardEvaluationContext ctx = new StandardEvaluationContext();
      ctx.registerFunction("repeat",ExpressionLanguageScenarioTests.class.getDeclaredMethod("repeat",String.class));

      Expression expr = parser.parseRaw("#repeat('hello')");
      Object value = expr.getValue(ctx);
      assertEquals("hellohello", value);

    } catch (EvaluationException ee) {
      ee.printStackTrace();
View Full Code Here
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
   * Scenario: add a property resolver that will get called in the resolver chain, this one only supports reading.
   */
  @Test
  public void testScenario_AddingYourOwnPropertyResolvers_1() throws Exception {
    // Create a parser
    SpelExpressionParser parser = new SpelExpressionParser();
    // Use the standard evaluation context
    StandardEvaluationContext ctx = new StandardEvaluationContext();

    ctx.addPropertyAccessor(new FruitColourAccessor());
    Expression expr = parser.parseRaw("orange");
    Object value = expr.getValue(ctx);
    assertEquals(Color.orange, value);

    try {
      expr.setValue(ctx, Color.blue);
View Full Code Here
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
  }

  @Test
  public void testScenario_AddingYourOwnPropertyResolvers_2() throws Exception {
    // Create a parser
    SpelExpressionParser parser = new SpelExpressionParser();
    // Use the standard evaluation context
    StandardEvaluationContext ctx = new StandardEvaluationContext();

    ctx.addPropertyAccessor(new VegetableColourAccessor());
    Expression expr = parser.parseRaw("pea");
    Object value = expr.getValue(ctx);
    assertEquals(Color.green, value);

    try {
      expr.setValue(ctx, Color.blue);
View Full Code Here
40
41
42
43
44
45
46
47
48
49
50
*/
public class SelectionAndProjectionTests {

  @Test
  public void selectionWithList() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.?[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new ListTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof List);
    List<?> list = (List<?>) value;
    assertEquals(5, list.size());
View Full Code Here
55
56
57
58
59
60
61
62
63
64
65
    assertEquals(4, list.get(4));
  }

  @Test
  public void selectFirstItemInList() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.^[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new ListTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof Integer);
    assertEquals(0, value);
  }
View Full Code Here
64
65
66
67
68
69
70
71
72
73
74
    assertEquals(0, value);
  }

  @Test
  public void selectLastItemInList() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.$[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new ListTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof Integer);
    assertEquals(4, value);
  }
View Full Code Here
73
74
75
76
77
78
79
80
81
82
83
    assertEquals(4, value);
  }

  @Test
  public void selectionWithSet() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.?[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new SetTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof List);
    List<?> list = (List<?>) value;
    assertEquals(5, list.size());
View Full Code Here
88
89
90
91
92
93
94
95
96
97
98
    assertEquals(4, list.get(4));
  }

  @Test
  public void selectFirstItemInSet() throws Exception {
    Expression expression = new SpelExpressionParser().parseRaw("integers.^[#this<5]");
    EvaluationContext context = new StandardEvaluationContext(new SetTestBean());
    Object value = expression.getValue(context);
    assertTrue(value instanceof Integer);
    assertEquals(0, value);
  }
View Full Code Here
TOP

Related Classes of org.springframework.expression.spel.standard.SpelExpressionParser

  • com.apress.pss.webflow.security.StateExpressionVoter
  • com.foreach.cuke.core.spel.SpelExpressionExecutor
  • com.foreach.cuke.core.util.MapChecker
  • com.graphaware.common.policy.spel.SpelInclusionPolicy
  • com.iisigroup.cap.utils.CapCommonUtil
  • com.iisigroup.cap.utils.CapDbUtil
  • com.narirelays.ems.applogic.PrivilegeManagement
  • com.narirelays.ems.applogic.SpreadsheetManagement
  • com.ontology2.haruhi.flows.AssignmentStep
  • com.ontology2.haruhi.flows.SpringStep
    • 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.