01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: * $Header:$
18: */
19: package org.apache.beehive.netui.compiler.grammar;
20:
21: import org.apache.beehive.netui.compiler.RuntimeVersionChecker;
22: import org.apache.beehive.netui.compiler.Diagnostics;
23: import org.apache.beehive.netui.compiler.AnnotationMemberType;
24: import org.apache.beehive.netui.compiler.typesystem.env.CoreAnnotationProcessorEnv;
25: import org.apache.beehive.netui.compiler.typesystem.declaration.AnnotationTypeElementDeclaration;
26: import org.apache.beehive.netui.compiler.typesystem.declaration.AnnotationValue;
27: import org.apache.beehive.netui.compiler.typesystem.declaration.AnnotationInstance;
28: import org.apache.beehive.netui.compiler.typesystem.declaration.MemberDeclaration;
29:
30: public class ValidateRangeGrammar extends BaseValidationRuleGrammar {
31: private static String[][] MUTUALLY_EXCLUSIVE_ATTRS = {
32: { MIN_INT_ATTR, MIN_FLOAT_ATTR },
33: { MAX_INT_ATTR, MAX_FLOAT_ATTR } };
34:
35: private static String[][] ATTR_DEPENDENCIES = {
36: { MIN_INT_ATTR, MAX_INT_ATTR },
37: { MIN_FLOAT_ATTR, MAX_FLOAT_ATTR },
38: { MAX_INT_ATTR, MIN_INT_ATTR },
39: { MAX_FLOAT_ATTR, MIN_FLOAT_ATTR } };
40:
41: public ValidateRangeGrammar(CoreAnnotationProcessorEnv env,
42: Diagnostics diags,
43: RuntimeVersionChecker runtimeVersionChecker) {
44: super (env, diags, runtimeVersionChecker);
45:
46: // The annotation defines these as doubles to avoid forcing us to type 'f' after every initialization value.
47: addMemberType(MIN_FLOAT_ATTR, new FloatType());
48: addMemberType(MAX_FLOAT_ATTR, new FloatType());
49:
50: // no custom types needed for minInt, maxInt
51: }
52:
53: public String[][] getMutuallyExclusiveAttrs() {
54: return MUTUALLY_EXCLUSIVE_ATTRS;
55: }
56:
57: public String[][] getRequiredAttrs() {
58: return null;
59: }
60:
61: public String[][] getAttrDependencies() {
62: return ATTR_DEPENDENCIES;
63: }
64:
65: private class FloatType extends AnnotationMemberType {
66: public FloatType() {
67: super (
68: ValidateRangeGrammar.this
69: .getRequiredRuntimeVersion(),
70: ValidateRangeGrammar.this );
71: }
72:
73: public Object onCheck(
74: AnnotationTypeElementDeclaration valueDecl,
75: AnnotationValue member,
76: AnnotationInstance[] parentAnnotations,
77: MemberDeclaration classMember, int annotationArrayIndex) {
78: double d = ((Double) member.getValue()).doubleValue();
79:
80: if (d < -Float.MAX_VALUE)
81: addError(member, "error.min-float", new Double(
82: -Float.MAX_VALUE));
83: else if (d > Float.MAX_VALUE)
84: addError(member, "error.max-float", new Double(
85: Float.MAX_VALUE));
86:
87: return null;
88: }
89: }
90: }
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