package com.googlecode.mp4parser.boxes.piff; import com.coremedia.iso.Hex; import com.googlecode.mp4parser.contentprotection.GenericHeader; import java.lang.Class; import java.lang.IllegalAccessException; import java.lang.InstantiationException; import java.lang.Object; import java.lang.Override; import java.lang.RuntimeException; import java.lang.String; import java.lang.StringBuilder; import java.nio.ByteBuffer; import java.util.HashMap; import java.util.Map; import java.util.UUID; public abstract class ProtectionSpecificHeader { protected static Map<UUID, Class<? extends ProtectionSpecificHeader>> uuidRegistry = new HashMap<UUID, Class<? extends ProtectionSpecificHeader>>(); public abstract UUID getSystemId(); @Override public boolean equals(Object obj) { throw new RuntimeException("somebody called equals on me but that's not supposed to happen."); } public static ProtectionSpecificHeader createFor(UUID systemId, ByteBuffer bufferWrapper) { final Class<? extends ProtectionSpecificHeader> aClass = uuidRegistry.get(systemId); ProtectionSpecificHeader protectionSpecificHeader = null; if (aClass != null) { try { protectionSpecificHeader = aClass.newInstance(); } catch (InstantiationException e) { throw new RuntimeException(e); } catch (IllegalAccessException e) { throw new RuntimeException(e); } } if (protectionSpecificHeader == null) { protectionSpecificHeader = new GenericHeader(); } protectionSpecificHeader.parse(bufferWrapper); return protectionSpecificHeader; } public abstract void parse(ByteBuffer byteBuffer); public abstract ByteBuffer getData(); @Override public String toString() { final StringBuilder sb = new StringBuilder(); sb.append("ProtectionSpecificHeader"); sb.append("{data="); ByteBuffer data = getData().duplicate(); data.rewind(); byte[] bytes = new byte[data.limit()]; data.get(bytes); sb.append(Hex.encodeHex(bytes)); sb.append('}'); return sb.toString(); } }