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support batch and batch capabilities
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212 changes: 191 additions & 21 deletions
212
src/main/java/com/emc/documentum/rest/client/sample/DCTMRestClientSample.java
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src/main/java/com/emc/documentum/rest/client/sample/client/annotation/NotBatchable.java
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| @@ -0,0 +1,11 @@ | ||
| package com.emc.documentum.rest.client.sample.client.annotation; | ||
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| import java.lang.annotation.ElementType; | ||
| import java.lang.annotation.Retention; | ||
| import java.lang.annotation.RetentionPolicy; | ||
| import java.lang.annotation.Target; | ||
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| @Target({ElementType.METHOD}) | ||
| @Retention(RetentionPolicy.RUNTIME) | ||
| public @interface NotBatchable { | ||
| } |
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...mc/documentum/rest/client/sample/client/converter/MultipartBatchHttpMessageConverter.java
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| /* | ||
| * Copyright (c) 2016. EMC Corporation. All Rights Reserved. | ||
| */ | ||
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| package com.emc.documentum.rest.client.sample.client.converter; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.OutputStream; | ||
| import java.util.Arrays; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| import org.springframework.http.HttpEntity; | ||
| import org.springframework.http.HttpHeaders; | ||
| import org.springframework.http.HttpInputMessage; | ||
| import org.springframework.http.HttpOutputMessage; | ||
| import org.springframework.http.MediaType; | ||
| import org.springframework.http.converter.HttpMessageConverter; | ||
| import org.springframework.http.converter.HttpMessageNotReadableException; | ||
| import org.springframework.http.converter.HttpMessageNotWritableException; | ||
| import org.springframework.util.MimeTypeUtils; | ||
| import org.springframework.util.MultiValueMap; | ||
| import org.springframework.util.StreamUtils; | ||
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| import com.emc.documentum.rest.client.sample.client.util.SupportedMediaTypes; | ||
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| public class MultipartBatchHttpMessageConverter implements HttpMessageConverter<MultiValueMap<String, HttpEntity<InputStream>>> { | ||
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| @Override | ||
| public boolean canRead(Class<?> clazz, MediaType mediaType) { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public boolean canWrite(Class<?> clazz, MediaType mediaType) { | ||
| return "multipart".equalsIgnoreCase(mediaType.getType()) && | ||
| "related".equalsIgnoreCase(mediaType.getSubtype()) && | ||
| MultiValueMap.class.isAssignableFrom(clazz); | ||
| } | ||
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| @Override | ||
| public List<MediaType> getSupportedMediaTypes() { | ||
| return Arrays.asList(SupportedMediaTypes.MULTIPART_RELATED); | ||
| } | ||
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| @Override | ||
| public MultiValueMap<String, HttpEntity<InputStream>> read(Class<? extends MultiValueMap<String, HttpEntity<InputStream>>> clazz, HttpInputMessage inputMessage) | ||
| throws IOException, HttpMessageNotReadableException { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
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| @Override | ||
| public void write(MultiValueMap<String, HttpEntity<InputStream>> parts, MediaType contentType, HttpOutputMessage outputMessage) | ||
| throws IOException, HttpMessageNotWritableException { | ||
| String boundary = MimeTypeUtils.generateMultipartBoundaryString(); | ||
| Map<String, String> params = new HashMap<>(contentType.getParameters()); | ||
| params.put("boundary", boundary); | ||
| MediaType mediaType = new MediaType(contentType, params); | ||
| outputMessage.getHeaders().setContentType(mediaType); | ||
| writeParts(outputMessage.getBody(), parts, boundary); | ||
| } | ||
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| private void writeParts(OutputStream os, MultiValueMap<String, HttpEntity<InputStream>> parts, String boundary) throws IOException { | ||
| for (Map.Entry<String, List<HttpEntity<InputStream>>> entry : parts.entrySet()) { | ||
| String name = entry.getKey(); | ||
| for (HttpEntity<InputStream> part : entry.getValue()) { | ||
| if (part != null) { | ||
| writeBoundary(os, boundary); | ||
| writePart(name, part, os); | ||
| writeNewLine(os); | ||
| } | ||
| } | ||
| } | ||
| writeEnd(os, boundary); | ||
| } | ||
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| private void writePart(String name, HttpEntity<InputStream> part, OutputStream os) throws IOException { | ||
| writeHeaders(os, part.getHeaders()); | ||
| StreamUtils.copy(part.getBody(), os); | ||
| writeNewLine(os); | ||
| } | ||
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| private void writeHeaders(OutputStream os, HttpHeaders headers) throws IOException { | ||
| for(Map.Entry<String, List<String>> entry : headers.entrySet()) { | ||
| for(String value : entry.getValue()) { | ||
| os.write(entry.getKey().getBytes("UTF-8")); | ||
| os.write(':'); | ||
| os.write(' '); | ||
| os.write(value.getBytes("UTF-8")); | ||
| writeNewLine(os); | ||
| } | ||
| } | ||
| writeNewLine(os); | ||
| } | ||
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| private void writeBoundary(OutputStream os, String boundary) throws IOException { | ||
| os.write(("--" + boundary).getBytes("UTF-8")); | ||
| writeNewLine(os); | ||
| } | ||
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| private void writeEnd(OutputStream os, String boundary) throws IOException { | ||
| os.write(("--" + boundary + "--").getBytes("UTF-8")); | ||
| writeNewLine(os); | ||
| } | ||
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| private static void writeNewLine(OutputStream os) throws IOException { | ||
| os.write('\r'); | ||
| os.write('\n'); | ||
| } | ||
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| private static void writeNewLine2(OutputStream os) throws IOException { | ||
| writeNewLine(os); | ||
| writeNewLine(os); | ||
| } | ||
| } |
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