br.com.objectos.way.upload.AndSaveTo Maven / Gradle / Ivy
/*
* Copyright 2013 Objectos, Fábrica de Software LTDA.
*
* 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 br.com.objectos.way.upload;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import br.com.objectos.comuns.web.upload.UploadRequestException;
import br.com.objectos.comuns.web.upload.UploadedFile;
import com.google.common.base.Preconditions;
import com.google.common.io.Files;
/**
* @author [email protected] (Marcio Endo)
*/
public abstract class AndSaveTo {
final UploadCtx ctx;
AndSaveTo(UploadCtx ctx) {
this.ctx = ctx;
}
public abstract Unzip unzip();
public abstract Execute execute(UploadSingleAction action);
public abstract Execute executeAsync(UploadSingleAsync async);
static AndSaveTo executeDir(UploadCtx ctx, UploadedFile uploadedFile, File dir) {
Preconditions.checkArgument(dir.isDirectory(), "dir must be a directory");
String name = uploadedFile.getName();
File target = new File(dir, name);
return executeFile(ctx, uploadedFile, target);
}
static AndSaveTo executeFile(UploadCtx ctx, UploadedFile uploadedFile, File target) {
Preconditions.checkArgument(!target.isDirectory(), "file cannot be a directory");
InputStream is = null;
try {
is = uploadedFile.openStream();
Files.asByteSink(target).writeFrom(is);
return new AndSaveToValid(ctx, target);
} catch (UploadRequestException e) {
return new AndSaveToInvalid(ctx, e);
} catch (IOException e) {
return new AndSaveToInvalid(ctx, e);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
}
}
}
}
File getFile() {
return null;
}
}