本文整理汇总了Java中org.springframework.expression.spel.standard.SpelExpressionParser.parseRaw方法的典型用法代码示例。如果您正苦于以下问题:Java SpelExpressionParser.parseRaw方法的具体用法?Java SpelExpressionParser.parseRaw怎么用?Java SpelExpressionParser.parseRaw使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.springframework.expression.spel.standard.SpelExpressionParser
的用法示例。
在下文中一共展示了SpelExpressionParser.parseRaw方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testScenario01_Roles
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void testScenario01_Roles() throws Exception {
try {
SpelExpressionParser parser = new SpelExpressionParser();
StandardEvaluationContext ctx = new StandardEvaluationContext();
Expression expr = parser.parseRaw("hasAnyRole('MANAGER','TELLER')");
ctx.setRootObject(new Person("Ben"));
Boolean value = expr.getValue(ctx,Boolean.class);
assertFalse(value);
ctx.setRootObject(new Manager("Luke"));
value = expr.getValue(ctx,Boolean.class);
assertTrue(value);
} catch (EvaluationException ee) {
ee.printStackTrace();
fail("Unexpected SpelException: " + ee.getMessage());
}
}
示例2: testScenario03_Arithmetic
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void testScenario03_Arithmetic() throws Exception {
SpelExpressionParser parser = new SpelExpressionParser();
StandardEvaluationContext ctx = new StandardEvaluationContext();
// Might be better with a as a variable although it would work as a property too...
// Variable references using a '#'
Expression expr = parser.parseRaw("(hasRole('SUPERVISOR') or (#a < 1.042)) and hasIpAddress('10.10.0.0/16')");
Boolean value = null;
ctx.setVariable("a",1.0d); // referenced as #a in the expression
ctx.setRootObject(new Supervisor("Ben")); // so non-qualified references 'hasRole()' 'hasIpAddress()' are invoked against it
value = expr.getValue(ctx,Boolean.class);
assertTrue(value);
ctx.setRootObject(new Manager("Luke"));
ctx.setVariable("a",1.043d);
value = expr.getValue(ctx,Boolean.class);
assertFalse(value);
}
示例3: testScenario04_ControllingWhichMethodsRun
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void testScenario04_ControllingWhichMethodsRun() throws Exception {
SpelExpressionParser parser = new SpelExpressionParser();
StandardEvaluationContext ctx = new StandardEvaluationContext();
ctx.setRootObject(new Supervisor("Ben")); // so non-qualified references 'hasRole()' 'hasIpAddress()' are invoked against it);
ctx.addMethodResolver(new MyMethodResolver()); // NEEDS TO OVERRIDE THE REFLECTION ONE - SHOW REORDERING MECHANISM
// Might be better with a as a variable although it would work as a property too...
// Variable references using a '#'
// SpelExpression expr = parser.parseExpression("(hasRole('SUPERVISOR') or (#a < 1.042)) and hasIpAddress('10.10.0.0/16')");
Expression expr = parser.parseRaw("(hasRole(3) or (#a < 1.042)) and hasIpAddress('10.10.0.0/16')");
Boolean value = null;
ctx.setVariable("a",1.0d); // referenced as #a in the expression
value = expr.getValue(ctx,Boolean.class);
assertTrue(value);
// ctx.setRootObject(new Manager("Luke"));
// ctx.setVariable("a",1.043d);
// value = (Boolean)expr.getValue(ctx,Boolean.class);
// assertFalse(value);
}
示例4: testScenario_UsingStandardInfrastructure
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
/**
* Scenario: using the standard infrastructure and running simple expression evaluation.
*/
@Test
public void testScenario_UsingStandardInfrastructure() {
try {
// Create a parser
SpelExpressionParser parser = new SpelExpressionParser();
// Parse an expression
Expression expr = parser.parseRaw("new String('hello world')");
// Evaluate it using a 'standard' context
Object value = expr.getValue();
// They are reusable
value = expr.getValue();
assertEquals("hello world", value);
assertEquals(String.class, value.getClass());
} catch (EvaluationException ee) {
ee.printStackTrace();
fail("Unexpected Exception: " + ee.getMessage());
} catch (ParseException pe) {
pe.printStackTrace();
fail("Unexpected Exception: " + pe.getMessage());
}
}
示例5: testScenario_DefiningVariablesThatWillBeAccessibleInExpressions
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
/**
* 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());
}
示例6: testScenario_RegisteringJavaMethodsAsFunctionsAndCallingThem
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
/**
* Scenario: using your own java methods and calling them from the expression
*/
@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();
fail("Unexpected Exception: " + ee.getMessage());
} catch (ParseException pe) {
pe.printStackTrace();
fail("Unexpected Exception: " + pe.getMessage());
}
}
示例7: testScenario_AddingYourOwnPropertyResolvers_1
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
/**
* 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);
fail("Should not be allowed to set oranges to be blue !");
} catch (SpelEvaluationException ee) {
assertEquals(ee.getMessageCode(), SpelMessage.PROPERTY_OR_FIELD_NOT_WRITABLE_ON_NULL);
}
}
示例8: testScenario_AddingYourOwnPropertyResolvers_2
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@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);
fail("Should not be allowed to set peas to be blue !");
}
catch (SpelEvaluationException ee) {
assertEquals(ee.getMessageCode(), SpelMessage.PROPERTY_OR_FIELD_NOT_WRITABLE_ON_NULL);
}
}
示例9: testAddingSpecificPropertyAccessor
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
// Adding a new property accessor just for a particular type
public void testAddingSpecificPropertyAccessor() throws Exception {
SpelExpressionParser parser = new SpelExpressionParser();
StandardEvaluationContext ctx = new StandardEvaluationContext();
// Even though this property accessor is added after the reflection one, it specifically
// names the String class as the type it is interested in so is chosen in preference to
// any 'default' ones
ctx.addPropertyAccessor(new StringyPropertyAccessor());
Expression expr = parser.parseRaw("new String('hello').flibbles");
Integer i = expr.getValue(ctx, Integer.class);
assertEquals((int) i, 7);
// The reflection one will be used for other properties...
expr = parser.parseRaw("new String('hello').CASE_INSENSITIVE_ORDER");
Object o = expr.getValue(ctx);
assertNotNull(o);
expr = parser.parseRaw("new String('hello').flibbles");
expr.setValue(ctx, 99);
i = expr.getValue(ctx, Integer.class);
assertEquals((int) i, 99);
// Cannot set it to a string value
try {
expr.setValue(ctx, "not allowed");
fail("Should not have been allowed");
} catch (EvaluationException e) {
// success - message will be: EL1063E:(pos 20): A problem occurred whilst attempting to set the property
// 'flibbles': 'Cannot set flibbles to an object of type 'class java.lang.String''
// System.out.println(e.getMessage());
}
}
示例10: testScenario02_ComparingNames
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void testScenario02_ComparingNames() throws Exception {
SpelExpressionParser parser = new SpelExpressionParser();
StandardEvaluationContext ctx = new StandardEvaluationContext();
ctx.addPropertyAccessor(new SecurityPrincipalAccessor());
// Multiple options for supporting this expression: "p.name == principal.name"
// (1) If the right person is the root context object then "name==principal.name" is good enough
Expression expr = parser.parseRaw("name == principal.name");
ctx.setRootObject(new Person("Andy"));
Boolean value = expr.getValue(ctx,Boolean.class);
assertTrue(value);
ctx.setRootObject(new Person("Christian"));
value = expr.getValue(ctx,Boolean.class);
assertFalse(value);
// (2) Or register an accessor that can understand 'p' and return the right person
expr = parser.parseRaw("p.name == principal.name");
PersonAccessor pAccessor = new PersonAccessor();
ctx.addPropertyAccessor(pAccessor);
ctx.setRootObject(null);
pAccessor.setPerson(new Person("Andy"));
value = expr.getValue(ctx,Boolean.class);
assertTrue(value);
pAccessor.setPerson(new Person("Christian"));
value = expr.getValue(ctx,Boolean.class);
assertFalse(value);
}
示例11: projectionTypeDescriptors_1
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void projectionTypeDescriptors_1() throws Exception {
StandardEvaluationContext ctx = new StandardEvaluationContext(new C());
SpelExpressionParser parser = new SpelExpressionParser();
String el1 = "ls.![#this.equals('abc')]";
SpelExpression exp = parser.parseRaw(el1);
List<?> value = (List<?>) exp.getValue(ctx);
// value is list containing [true,false]
assertEquals(Boolean.class, value.get(0).getClass());
TypeDescriptor evaluated = exp.getValueTypeDescriptor(ctx);
assertEquals(null, evaluated.getElementTypeDescriptor());
}
示例12: projectionTypeDescriptors_2
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void projectionTypeDescriptors_2() throws Exception {
StandardEvaluationContext ctx = new StandardEvaluationContext(new C());
SpelExpressionParser parser = new SpelExpressionParser();
String el1 = "as.![#this.equals('abc')]";
SpelExpression exp = parser.parseRaw(el1);
Object[] value = (Object[]) exp.getValue(ctx);
// value is array containing [true,false]
assertEquals(Boolean.class, value[0].getClass());
TypeDescriptor evaluated = exp.getValueTypeDescriptor(ctx);
assertEquals(Boolean.class, evaluated.getElementTypeDescriptor().getType());
}
示例13: projectionTypeDescriptors_3
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void projectionTypeDescriptors_3() throws Exception {
StandardEvaluationContext ctx = new StandardEvaluationContext(new C());
SpelExpressionParser parser = new SpelExpressionParser();
String el1 = "ms.![key.equals('abc')]";
SpelExpression exp = parser.parseRaw(el1);
List<?> value = (List<?>) exp.getValue(ctx);
// value is list containing [true,false]
assertEquals(Boolean.class, value.get(0).getClass());
TypeDescriptor evaluated = exp.getValueTypeDescriptor(ctx);
assertEquals(null, evaluated.getElementTypeDescriptor());
}
示例14: greaterThanWithNulls_SPR7840
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void greaterThanWithNulls_SPR7840() throws Exception {
List<D> list = new ArrayList<D>();
list.add(new D("aaa"));
list.add(new D("bbb"));
list.add(new D(null));
list.add(new D("ccc"));
list.add(new D(null));
list.add(new D("zzz"));
StandardEvaluationContext ctx = new StandardEvaluationContext(list);
SpelExpressionParser parser = new SpelExpressionParser();
String el1 = "#root.?[a < 'hhh']";
SpelExpression exp = parser.parseRaw(el1);
Object value = exp.getValue(ctx);
assertEquals("[D(aaa), D(bbb), D(null), D(ccc), D(null)]", value.toString());
String el2 = "#root.?[a > 'hhh']";
SpelExpression exp2 = parser.parseRaw(el2);
Object value2 = exp2.getValue(ctx);
assertEquals("[D(zzz)]", value2.toString());
// trim out the nulls first
String el3 = "#root.?[a!=null].?[a < 'hhh']";
SpelExpression exp3 = parser.parseRaw(el3);
Object value3 = exp3.getValue(ctx);
assertEquals("[D(aaa), D(bbb), D(ccc)]", value3.toString());
}
示例15: reservedWordProperties_9862
import org.springframework.expression.spel.standard.SpelExpressionParser; //导入方法依赖的package包/类
@Test
public void reservedWordProperties_9862() throws Exception {
StandardEvaluationContext ctx = new StandardEvaluationContext();
SpelExpressionParser parser = new SpelExpressionParser();
SpelExpression expression = parser.parseRaw("T(org.springframework.expression.spel.testresources.le.div.mod.reserved.Reserver).CONST");
Object value = expression.getValue(ctx);
assertEquals(value, Reserver.CONST);
}