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81 lines
1.6 KiB
81 lines
1.6 KiB
package mightypork.util.files.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.ArrayList;
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/**
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* Ionizable Arraylist
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*
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* @author MightyPork
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* @param <T>
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*/
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public abstract class AbstractIonList<T> extends ArrayList<T> implements Ionizable {
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@Override
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public void ionRead(InputStream in) throws IonException
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{
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try {
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while (true) {
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final byte b = BinaryUtils.readByte(in);
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if (b == IonMarks.ENTRY) {
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final T value = (T) Ion.readObject(in);
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add(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 IonException("Unexpected mark in IonList: " + Integer.toHexString(b));
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}
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}
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ionReadCustomData(in);
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} catch (final IOException e) {
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throw new IonException("Error reading ion list", e);
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}
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}
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@Override
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public void ionWrite(OutputStream out) throws IonException
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{
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try {
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for (final T entry : this) {
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if (entry instanceof IonizableOptional && !((IonizableOptional) entry).ionShouldSave()) continue;
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BinaryUtils.writeByte(out, IonMarks.ENTRY);
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Ion.writeObject(out, entry);
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}
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BinaryUtils.writeByte(out, IonMarks.END);
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ionWriteCustomData(out);
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} catch (final IOException e) {
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throw new IonException("Error reading ion map", e);
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}
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}
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/**
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* Read custom data of this AbstractIonList 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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}
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/**
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* Write custom data of this AbstractIonList 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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{
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}
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@Override
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public abstract byte ionMark();
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}
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