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INT-1614 moved file copy code up to base class, subclasses now only implement isFile and getFilename methods

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This commit is contained in:
Mark Fisher
2010-11-21 17:29:51 -05:00
parent a62dece984
commit dbdbb88247
5 changed files with 81 additions and 137 deletions
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61
spring-integration-file/src/main/java/org/springframework/integration/file/remote/synchronizer/AbstractInboundFileSynchronizer.java
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@@ -17,7 +17,9 @@
package org.springframework.integration.file.remote.synchronizer;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
@@ -31,6 +33,7 @@ import org.springframework.integration.file.filters.FileListFilter;
import org.springframework.integration.file.remote.session.Session;
import org.springframework.integration.file.remote.session.SessionFactory;
import org.springframework.util.Assert;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.ObjectUtils;
/**
@@ -135,6 +138,62 @@ public abstract class AbstractInboundFileSynchronizer<F> implements InboundFileS
}
}
protected abstract boolean copyFileToLocalDirectory(String remoteDirectoryPath, F file, File localDirectory, Session session) throws IOException;
private void copyFileToLocalDirectory(String remoteDirectoryPath, F remoteFile, File localDirectory, Session session) throws IOException {
String remoteFileName = this.getFilename(remoteFile);
String remoteFilePath = remoteDirectoryPath + File.separator + remoteFileName;
if (!this.isFile(remoteFile)) {
if (logger.isDebugEnabled()) {
logger.debug("cannot copy, not a file: " + remoteFilePath);
}
return;
}
File localFile = new File(localDirectory, remoteFileName);
if (!localFile.exists()) {
String tempFileName = localFile.getAbsolutePath() + AbstractInboundFileSynchronizingMessageSource.INCOMPLETE_EXTENSION;
File tempFile = new File(tempFileName);
InputStream inputStream = null;
FileOutputStream fileOutputStream = new FileOutputStream(tempFile);
try {
inputStream = session.get(remoteFilePath);
if (inputStream != null) {
FileCopyUtils.copy(inputStream, fileOutputStream);
}
}
catch (Exception e) {
if (e instanceof RuntimeException){
throw (RuntimeException) e;
}
else {
throw new MessagingException("Failure occurred while copying from remote to local directory", e);
}
}
finally {
try {
if (inputStream != null) {
inputStream.close();
}
}
catch (Exception ignored1) {
}
try {
fileOutputStream.close();
}
catch (Exception ignored2) {
}
}
if (tempFile.renameTo(localFile)) {
if (this.shouldDeleteSourceFile) {
session.rm(remoteFilePath);
if (logger.isDebugEnabled()) {
logger.debug("deleted " + remoteFilePath);
}
}
}
}
}
protected abstract boolean isFile(F file);
protected abstract String getFilename(F file);
}