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75 lines
1.6 KiB
75 lines
1.6 KiB
package com.porcupine.ion;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.LinkedHashMap;
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/**
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* Ionizable HashMap
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*
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* @author Ondřej Hruška (MightyPork)
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* @param <V>
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*/
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public abstract class AbstractIonMap<V> extends LinkedHashMap<String, V> implements Ionizable {
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@Override
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public V get(Object key) {
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return super.get(key);
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}
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@Override
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public V put(String key, V value) {
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return super.put(key, value);
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}
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@Override
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public void ionRead(InputStream in) throws IOException {
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while (true) {
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byte b = StreamUtils.readByte(in);
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if (b == IonMarks.ENTRY) {
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String key = StreamUtils.readStringBytes(in);
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V value = (V) Ion.readObject(in);
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put(key, value);
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} else if (b == IonMarks.END) {
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break;
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} else {
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throw new RuntimeException("Unexpected mark in IonMap: " + Integer.toHexString(b));
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}
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}
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ionReadCustomData(in);
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}
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@Override
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public void ionWrite(OutputStream out) throws IOException {
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for (java.util.Map.Entry<String, V> entry : entrySet()) {
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StreamUtils.writeByte(out, IonMarks.ENTRY);
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StreamUtils.writeStringBytes(out, entry.getKey());
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Ion.writeObject(out, entry.getValue());
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}
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StreamUtils.writeByte(out, IonMarks.END);
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ionWriteCustomData(out);
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}
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/**
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* Read custom data of this AbstractIonMap implementation
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*
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* @param in input stream
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*/
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public void ionReadCustomData(InputStream in) {}
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/**
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* Write custom data of this AbstractIonMap implementation
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*
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* @param out output stream
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*/
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public void ionWriteCustomData(OutputStream out) {}
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@Override
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public byte ionMark() {
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return IonMarks.MAP;
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}
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}
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