com.reandroid.arsc.chunk.OverlayablePolicy Maven / Gradle / Ivy

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Android binary resources read/write library
There is a newer version: 1.3.5
/*
 *  Copyright (C) 2022 github.com/REAndroid
 *
 *  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.reandroid.arsc.chunk;

import com.reandroid.arsc.base.Block;
import com.reandroid.arsc.header.OverlayablePolicyHeader;
import com.reandroid.arsc.io.BlockLoad;
import com.reandroid.arsc.io.BlockReader;
import com.reandroid.arsc.item.IntegerArray;
import com.reandroid.arsc.item.IntegerItem;
import com.reandroid.json.JSONArray;
import com.reandroid.json.JSONConvert;
import com.reandroid.json.JSONObject;

import java.io.IOException;
import java.util.Collection;

public class OverlayablePolicy extends Chunk implements BlockLoad,
        JSONConvert {
    private final IntegerArray tableRefArray;
    public OverlayablePolicy(){
        super(new OverlayablePolicyHeader(), 1);
        this.tableRefArray = new IntegerArray();
        addChild(this.tableRefArray);

        getHeaderBlock().getEntryCount().setBlockLoad(this);
    }
    @Override
    public boolean isNull() {
        return getTableReferenceCount()==0;
    }
    public int getTableReferenceCount(){
        return getTableRefArray().size();
    }

    public Collection listTableReferences(){
        return getTableRefArray().toList();
    }
    public IntegerArray getTableRefArray() {
        return tableRefArray;
    }
    public int getFlags() {
        return getHeaderBlock().getFlags().get();
    }
    public void setFlags(int flags){
        getHeaderBlock().getFlags().set(flags);
    }
    public void setFlags(PolicyFlag[] policyFlags){
        setFlags(PolicyFlag.sum(policyFlags));
    }
    public void addFlag(PolicyFlag policyFlag){
        int i = policyFlag==null? 0 : policyFlag.getFlagValue();
        setFlags(getFlags() | i);
    }
    public PolicyFlag[] getPolicyFlags(){
        return PolicyFlag.valuesOf(getFlags());
    }
    @Override
    protected void onChunkRefreshed() {
        getHeaderBlock().getEntryCount().set(getTableRefArray().size());
    }
    @Override
    public void onBlockLoaded(BlockReader reader, Block sender) throws IOException {
        IntegerItem entryCount = getHeaderBlock().getEntryCount();
        if(sender==entryCount){
            this.tableRefArray.setSize(entryCount.get());
        }
    }

    @Override
    public JSONObject toJson() {
        JSONObject jsonObject = new JSONObject();
        jsonObject.put(NAME_flags, getFlags());
        JSONArray jsonArray = new JSONArray();
        for(Integer reference:listTableReferences()){
            jsonArray.put(reference);
        }
        jsonObject.put(NAME_references, jsonArray);
        return jsonObject;
    }
    @Override
    public void fromJson(JSONObject json) {
        setFlags(json.getInt(NAME_flags));
        JSONArray jsonArray = json.getJSONArray(NAME_references);
        IntegerArray integerArray = getTableRefArray();
        int length = jsonArray.length();
        integerArray.setSize(length);
        for(int i=0;i