com.wavemaker.runtime.util.WmFileSystemResourceConverter Maven / Gradle / Ivy
/**
* Copyright (C) 2020 WaveMaker, Inc.
*
* Licensed 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 com.wavemaker.runtime.util;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.lang3.StringUtils;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpOutputMessage;
import org.springframework.http.MediaType;
import org.springframework.http.converter.AbstractHttpMessageConverter;
import org.springframework.util.StreamUtils;
import com.wavemaker.commons.rest.WmFileSystemResource;
import com.wavemaker.commons.util.WMIOUtils;
/**
* Created by srujant on 14/2/17.
*/
public class WmFileSystemResourceConverter extends AbstractHttpMessageConverter {
@Override
protected boolean supports(Class clazz) {
return WmFileSystemResource.class == clazz;
}
@Override
protected boolean canRead(MediaType mediaType) {
return false;
}
@Override
protected WmFileSystemResource readInternal(
Class clazz, HttpInputMessage inputMessage) throws IOException {
return null;
}
@Override
protected MediaType getDefaultContentType(WmFileSystemResource wmFileSystemResource) throws IOException {
String contentType = wmFileSystemResource.getContentType();
if (StringUtils.isNotBlank(contentType)) {
return MediaType.parseMediaType(contentType);
} else {
return super.getDefaultContentType(wmFileSystemResource);
}
}
@Override
protected void writeInternal(WmFileSystemResource wmFileSystemResource, HttpOutputMessage outputMessage)
throws IOException {
InputStream in = wmFileSystemResource.getInputStream();
try {
StreamUtils.copy(in, outputMessage.getBody());
} finally {
WMIOUtils.closeSilently(in);
}
}
}