Java Code Examples for org.objectweb.asm.ClassReader#getItem()

The following examples show how to use org.objectweb.asm.ClassReader#getItem() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: DefaultClassDependenciesAnalyzer.java    From pushfish-android with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
private Set<String> getClassDependencies(ClassRelevancyFilter filter, ClassReader reader) {
    Set<String> out = new HashSet<String>();
    char[] charBuffer = new char[reader.getMaxStringLength()];
    for (int i = 1; i < reader.getItemCount(); i++) {
        int itemOffset = reader.getItem(i);
        if (itemOffset > 0 && reader.readByte(itemOffset - 1) == 7) {
            // A CONSTANT_Class entry, read the class descriptor
            String classDescriptor = reader.readUTF8(itemOffset, charBuffer);
            Type type = Type.getObjectType(classDescriptor);
            while (type.getSort() == Type.ARRAY) {
                type = type.getElementType();
            }
            if (type.getSort() != Type.OBJECT) {
                // A primitive type
                continue;
            }
            String name = type.getClassName();
            if (filter.isRelevant(name)) {
                out.add(name);
            }
        }
    }
    return out;
}
Example 2
Source File: ClassDependenciesAnalyzer.java    From pushfish-android with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
private List<String> getClassDependencies(ClassRelevancyFilter filter, ClassReader reader) {
    List<String> out = new LinkedList<String>();
    char[] charBuffer = new char[reader.getMaxStringLength()];
    for (int i = 1; i < reader.getItemCount(); i++) {
        int itemOffset = reader.getItem(i);
        if (itemOffset > 0 && reader.readByte(itemOffset - 1) == 7) {
            // A CONSTANT_Class entry, read the class descriptor
            String classDescriptor = reader.readUTF8(itemOffset, charBuffer);
            Type type = Type.getObjectType(classDescriptor);
            while (type.getSort() == Type.ARRAY) {
                type = type.getElementType();
            }
            if (type.getSort() != Type.OBJECT) {
                // A primitive type
                continue;
            }
            String name = type.getClassName();
            if (filter.isRelevant(name)) {
                out.add(name);
            }
        }
    }
    return out;
}
Example 3
Source File: DefaultClassDependenciesAnalyzer.java    From Pushjet-Android with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
private Set<String> getClassDependencies(ClassRelevancyFilter filter, ClassReader reader) {
    Set<String> out = new HashSet<String>();
    char[] charBuffer = new char[reader.getMaxStringLength()];
    for (int i = 1; i < reader.getItemCount(); i++) {
        int itemOffset = reader.getItem(i);
        if (itemOffset > 0 && reader.readByte(itemOffset - 1) == 7) {
            // A CONSTANT_Class entry, read the class descriptor
            String classDescriptor = reader.readUTF8(itemOffset, charBuffer);
            Type type = Type.getObjectType(classDescriptor);
            while (type.getSort() == Type.ARRAY) {
                type = type.getElementType();
            }
            if (type.getSort() != Type.OBJECT) {
                // A primitive type
                continue;
            }
            String name = type.getClassName();
            if (filter.isRelevant(name)) {
                out.add(name);
            }
        }
    }
    return out;
}
Example 4
Source File: ClassDependenciesAnalyzer.java    From Pushjet-Android with BSD 2-Clause "Simplified" License 6 votes vote down vote up 
private List<String> getClassDependencies(ClassRelevancyFilter filter, ClassReader reader) {
    List<String> out = new LinkedList<String>();
    char[] charBuffer = new char[reader.getMaxStringLength()];
    for (int i = 1; i < reader.getItemCount(); i++) {
        int itemOffset = reader.getItem(i);
        if (itemOffset > 0 && reader.readByte(itemOffset - 1) == 7) {
            // A CONSTANT_Class entry, read the class descriptor
            String classDescriptor = reader.readUTF8(itemOffset, charBuffer);
            Type type = Type.getObjectType(classDescriptor);
            while (type.getSort() == Type.ARRAY) {
                type = type.getElementType();
            }
            if (type.getSort() != Type.OBJECT) {
                // A primitive type
                continue;
            }
            String name = type.getClassName();
            if (filter.isRelevant(name)) {
                out.add(name);
            }
        }
    }
    return out;
}
Example 5
Source File: StaticClassWriter.java    From allocation-instrumenter with Apache License 2.0 5 votes vote down vote up 
String readConstantPoolString(ClassReader cr, int offset, char[] buf) {
  int cpIndex = cr.getItem(cr.readUnsignedShort(offset));
  if (cpIndex == 0) {
    return null;
    // throw new RuntimeException("Bad constant pool index");
  }
  return cr.readUTF8(cpIndex, buf);
}