Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.waveprotocol.box.attachment.proto; /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ import org.waveprotocol.box.attachment.ImageMetadata; import org.waveprotocol.box.attachment.ImageMetadataUtil; import org.waveprotocol.wave.communication.Blob; import org.waveprotocol.wave.communication.Codec; import org.waveprotocol.wave.communication.ProtoEnums; import org.waveprotocol.wave.communication.proto.Int52; import org.waveprotocol.wave.communication.proto.ProtoWrapper; import org.waveprotocol.wave.communication.gson.GsonException; import org.waveprotocol.wave.communication.gson.GsonSerializable; import org.waveprotocol.wave.communication.gson.GsonUtil; import org.waveprotocol.wave.communication.json.RawStringData; import com.google.gson.Gson; import com.google.gson.JsonArray; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonPrimitive; import com.google.protobuf.ByteString; import java.util.ArrayList; import java.util.Collections; import java.util.List; /** * Server implementation of ImageMetadata. * * Generated from org/waveprotocol/box/attachment/attachment.proto. Do not edit. */ /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ // NOTE(kalman): It would be nicer to add a proto serialisation // utility rather than having this class at all. public final class ImageMetadataProtoImpl implements ImageMetadata, // Note: fully-qualified path is required for GsonSerializable and ProtoWrapper. // An import of it is not resolved correctly from inner classes. // This appears to be a javac bug. The Eclipse compiler handles it fine. org.waveprotocol.wave.communication.gson.GsonSerializable, org.waveprotocol.wave.communication.proto.ProtoWrapper<org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata> { private org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata proto = null; private org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata.Builder protoBuilder = org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata .newBuilder(); public ImageMetadataProtoImpl() { } public ImageMetadataProtoImpl(org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata proto) { this.proto = proto; } public ImageMetadataProtoImpl(ImageMetadata message) { copyFrom(message); } @Override public org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata getPB() { switchToProto(); return proto; } @Override public void setPB(org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata proto) { this.proto = proto; this.protoBuilder = null; } @Override public void copyFrom(ImageMetadata message) { /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ setWidth(message.getWidth()); /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ setHeight(message.getHeight()); } /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ @Override public int getWidth() { switchToProto(); return proto.getWidth(); } @Override public void setWidth(int value) { switchToProtoBuilder(); protoBuilder.setWidth(value); } /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ @Override public int getHeight() { switchToProto(); return proto.getHeight(); } @Override public void setHeight(int value) { switchToProtoBuilder(); protoBuilder.setHeight(value); } private void switchToProto() { if (proto == null) { proto = protoBuilder.build(); protoBuilder = null; } } private void switchToProtoBuilder() { if (protoBuilder == null) { protoBuilder = (proto == null) ? org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata.newBuilder() : org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata.newBuilder(proto); proto = null; } } private void invalidateAll() { proto = null; protoBuilder = org.waveprotocol.box.attachment.AttachmentProto.ImageMetadata.newBuilder(); } @Override public JsonElement toGson(RawStringData raw, Gson gson) { JsonObject json = new JsonObject(); /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ json.add("1", new JsonPrimitive(getWidth())); /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ json.add("2", new JsonPrimitive(getHeight())); return json; } @Override public void fromGson(JsonElement json, Gson gson, RawStringData raw) throws GsonException { JsonObject jsonObject = json.getAsJsonObject(); // NOTE: always check with has(...) as the json might not have all required // fields set; however these (obviously) will need to be set by other means // before accessing this object. invalidateAll(); /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ if (jsonObject.has("1")) { JsonElement elem = jsonObject.get("1"); setWidth(elem.getAsInt()); } /** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ if (jsonObject.has("2")) { JsonElement elem = jsonObject.get("2"); setHeight(elem.getAsInt()); } } @Override public boolean equals(Object o) { if (this == o) { return true; } else if (o instanceof ImageMetadataProtoImpl) { return getPB().equals(((ImageMetadataProtoImpl) o).getPB()); } else { return false; } } @Override public boolean isEqualTo(Object o) { if (equals(o)) { return true; } else if (o instanceof ImageMetadata) { return ImageMetadataUtil.isEqual(this, (ImageMetadata) o); } else { return false; } } @Override public int hashCode() { return getPB().hashCode(); } @Override public String toString() { return getPB().toString(); } }