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Parse annotations with arrays

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Volker Berlin 2021-04-03 22:07:48 +02:00
parent 1771ab1f39
commit d271ac1a2f
1 changed files with 42 additions and 22 deletions
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38
src/de/inetsoftware/classparser/Annotations.java
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@ -1,5 +1,5 @@
/* /*
* Copyright 2017 - 2019 Volker Berlin (i-net software) * Copyright 2017 - 2021 Volker Berlin (i-net software)
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@ -48,8 +48,26 @@ public class Annotations {
int valuePairCount = input.readUnsignedShort(); int valuePairCount = input.readUnsignedShort();
for( int p = 0; p < valuePairCount; p++ ) { for( int p = 0; p < valuePairCount; p++ ) {
String key = (String)constantPool.get( input.readUnsignedShort() ); String key = (String)constantPool.get( input.readUnsignedShort() );
Object value = readElementValue( input, constantPool );
valuePairs.put( key, value );
}
}
return annotations;
}
/**
* Read a single element value
*
* @param input
* the stream of the RuntimeInvisibleAnnotations attribute
* @param constantPool
* the ConstantPool of the class
* @return the value
* @throws IOException
* if an I/O error occurs
*/
private static Object readElementValue( DataInputStream input, ConstantPool constantPool ) throws IOException {
int type = input.readUnsignedByte(); int type = input.readUnsignedByte();
Object value;
switch( type ) { switch( type ) {
case 'B': case 'B':
case 'C': case 'C':
@ -60,15 +78,17 @@ public class Annotations {
case 'S': case 'S':
case 'Z': case 'Z':
case 's': case 's':
value = constantPool.get( input.readUnsignedShort() ); return constantPool.get( input.readUnsignedShort() );
break; case '[':
int count = input.readUnsignedShort();
Object[] values = new Object[count];
for( int i = 0; i < count; i++ ) {
values[i] = readElementValue( input, constantPool );
}
return values;
default: default:
// TODO other possible values for type: e c @ [ // TODO other possible values for type: e c @
throw new IOException( "Unknown annotation value type pool type: " + type ); throw new IOException( "Unknown annotation value type pool type: " + type );
} }
valuePairs.put( key, value );
}
}
return annotations;
} }
} }