01: // Copyright 2006 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.annotations;
16:
17: import static java.lang.annotation.ElementType.FIELD;
18: import static java.lang.annotation.RetentionPolicy.RUNTIME;
19:
20: import java.lang.annotation.Documented;
21: import java.lang.annotation.Retention;
22: import java.lang.annotation.Target;
23:
24: /**
25: * Used to define an <em>embedded component</em> within another component.
26: *
27: *
28: */
29: @Target(FIELD)
30: @Documented
31: @Retention(RUNTIME)
32: public @interface Component {
33:
34: /**
35: * The id of the component. When left blank (the default), the component id is determined from
36: * the field name.
37: */
38: String id() default "";
39:
40: /**
41: * The component type. When this is left unspecified, then the annotated field's type is used
42: * directly as the component type.
43: */
44: String type() default "";
45:
46: /**
47: * Parameter bindings for the component. Each value in the array is of the form "name=value".
48: * The value is a binding expression, with a default binding prefix of "prop:".
49: */
50: String[] parameters() default {};
51: }
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