diff options
Diffstat (limited to 'isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/RequiresParseDetailAspect.java.svn-base')
| -rw-r--r-- | isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/RequiresParseDetailAspect.java.svn-base | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/RequiresParseDetailAspect.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/RequiresParseDetailAspect.java.svn-base new file mode 100644 index 0000000..5009230 --- /dev/null +++ b/isoparser/src/main/java/com/googlecode/mp4parser/.svn/text-base/RequiresParseDetailAspect.java.svn-base @@ -0,0 +1,62 @@ +/* + * Copyright 2012 Sebastian Annies, Hamburg + * + * Licensed under the Apache License, Version 2.0 (the License); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.googlecode.mp4parser; + +import org.aspectj.lang.JoinPoint; +import org.aspectj.lang.annotation.Aspect; +import org.aspectj.lang.annotation.Before; + +@Aspect +/** + * An aspect to trigger the actual parsing of boxes' content when it is actually needed. This aspect + * calls {@link com.googlecode.mp4parser.AbstractBox#parseDetails()} before actually executing + * the method. + */ +public class RequiresParseDetailAspect { + + + @Before("this(com.googlecode.mp4parser.AbstractBox) && ((execution(public * * (..)) && !( " + + "execution(* parseDetails()) || " + + "execution(* getNumOfBytesToFirstChild()) || " + + "execution(* getType()) || " + + "execution(* isParsed()) || " + + "execution(* getHeader(*)) || " + + "execution(* parse()) || " + + "execution(* getBox(*)) || " + + "execution(* getSize()) || " + + "execution(* parseDetails()) || " + + "execution(* _parseDetails(*)) || " + + "execution(* parse(*,*,*,*)) || " + + "execution(* getIsoFile()) || " + + "execution(* getParent()) || " + + "execution(* setParent(*)) || " + + "execution(* getUserType()) || " + + "execution(* setUserType(*))) && " + + "!@annotation(com.googlecode.mp4parser.annotations.DoNotParseDetail)) || @annotation(com.googlecode.mp4parser.annotations.ParseDetail))") + public void before(JoinPoint joinPoint) { + if (joinPoint.getTarget() instanceof AbstractBox) { + if (!((AbstractBox) joinPoint.getTarget()).isParsed()) { + //System.err.println(String.format("parsed detail %s", joinPoint.getTarget().getClass().getSimpleName())); + ((AbstractBox) joinPoint.getTarget()).parseDetails(); + } + } else { + throw new RuntimeException("Only methods in subclasses of " + AbstractBox.class.getName() + " can be annotated with ParseDetail"); + } + + } + + +}
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