diff options
Diffstat (limited to 'tools/external/asm/org/objectweb/asm/util/CheckAnnotationAdapter.java')
-rw-r--r-- | tools/external/asm/org/objectweb/asm/util/CheckAnnotationAdapter.java | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/tools/external/asm/org/objectweb/asm/util/CheckAnnotationAdapter.java b/tools/external/asm/org/objectweb/asm/util/CheckAnnotationAdapter.java new file mode 100644 index 000000000..d00933ca5 --- /dev/null +++ b/tools/external/asm/org/objectweb/asm/util/CheckAnnotationAdapter.java @@ -0,0 +1,125 @@ +/*** + * ASM: a very small and fast Java bytecode manipulation framework + * Copyright (c) 2000-2005 INRIA, France Telecom + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ +package org.objectweb.asm.util; + +import org.objectweb.asm.AnnotationVisitor; +import org.objectweb.asm.Type; + +/** + * An {@link AnnotationVisitor} that checks that its methods are properly used. + * + * @author Eric Bruneton + */ +public class CheckAnnotationAdapter implements AnnotationVisitor { + + private AnnotationVisitor av; + + private boolean named; + + private boolean end; + + public CheckAnnotationAdapter(final AnnotationVisitor av) { + this(av, true); + } + + CheckAnnotationAdapter( + final AnnotationVisitor av, + final boolean named) + { + this.av = av; + this.named = named; + } + + public void visit(final String name, final Object value) { + checkEnd(); + checkName(name); + if (!(value instanceof Byte || value instanceof Boolean + || value instanceof Character || value instanceof Short + || value instanceof Integer || value instanceof Long + || value instanceof Float || value instanceof Double + || value instanceof String || value instanceof Type + || value instanceof byte[] || value instanceof boolean[] + || value instanceof char[] || value instanceof short[] + || value instanceof int[] || value instanceof long[] + || value instanceof float[] || value instanceof double[])) + { + throw new IllegalArgumentException("Invalid annotation value"); + } + av.visit(name, value); + } + + public void visitEnum( + final String name, + final String desc, + final String value) + { + checkEnd(); + checkName(name); + CheckMethodAdapter.checkDesc(desc, false); + if (value == null) { + throw new IllegalArgumentException("Invalid enum value"); + } + av.visitEnum(name, desc, value); + } + + public AnnotationVisitor visitAnnotation( + final String name, + final String desc) + { + checkEnd(); + checkName(name); + CheckMethodAdapter.checkDesc(desc, false); + return new CheckAnnotationAdapter(av.visitAnnotation(name, desc)); + } + + public AnnotationVisitor visitArray(final String name) { + checkEnd(); + checkName(name); + return new CheckAnnotationAdapter(av.visitArray(name), false); + } + + public void visitEnd() { + checkEnd(); + end = true; + av.visitEnd(); + } + + private void checkEnd() { + if (end) { + throw new IllegalStateException("Cannot call a visit method after visitEnd has been called"); + } + } + + private void checkName(final String name) { + if (named && name == null) { + throw new IllegalArgumentException("Annotation value name must not be null"); + } + } +} |