+/*
+ * Copyright (C) 2007-2012 Mathieu Baudier
+ *
+ * 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 org.argeo.slc.core.execution;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
+import java.util.Date;
import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
+/** Implements write access to resources based on standard Java {@link File} */
public class FileExecutionResources implements ExecutionResources {
private final static Log log = LogFactory
.getLog(FileExecutionResources.class);
public final static String DEFAULT_EXECUTION_RESOURCES_TMP_PATH = System
.getProperty("java.io.tmpdir")
+ File.separator
- + "slc"
+ + System.getProperty("user.name")
+ File.separator
- + DEFAULT_EXECUTION_RESOURCES_DIRNAME;
+ + "slc"
+ + File.separator + DEFAULT_EXECUTION_RESOURCES_DIRNAME;
private File baseDir;
private ExecutionContext executionContext;
- private String prefixDatePattern = "yyyyMMdd_HHmmss_";
+ private String prefixDatePattern = "yyMMdd_HHmmss_SSS";
private SimpleDateFormat sdf = null;
private Boolean withExecutionSubdirectory = true;
return resource;
}
- public String getAsOsPath(Resource resource, Boolean overwrite) {
- File file = null;
+ public String getWritableOsPath(String relativePath) {
try {
- file = resource.getFile();
- return file.getCanonicalPath();
+ return getFile(relativePath).getCanonicalPath();
} catch (IOException e) {
- if (log.isTraceEnabled())
- log
- .trace("Resource "
- + resource
- + " is not available on the file system. Retrieving it...");
+ throw new SlcException("Cannot find canonical path", e);
}
+ }
+
+ public File getWritableOsFile(String relativePath) {
+ return getFile(relativePath);
+ }
+
+ public String getAsOsPath(Resource resource, Boolean overwrite) {
+ File file = fileFromResource(resource);
+ if (file != null)
+ try {
+ if (log.isTraceEnabled())
+ log.debug("Directly interpret " + resource + " as OS file "
+ + file);
+ return file.getCanonicalPath();
+ } catch (IOException e1) {
+ // silent
+ }
+
+ if (log.isTraceEnabled())
+ log.trace("Resource " + resource
+ + " is not available on the file system. Retrieving it...");
InputStream in = null;
OutputStream out = null;
}
}
- public File getFile(String relativePath) {
+ /**
+ * Extract the underlying file from the resource.
+ *
+ * @return the file or null if no files support this resource.
+ */
+ protected File fileFromResource(Resource resource) {
+ try {
+ return resource.getFile();
+ } catch (IOException e) {
+ return null;
+ }
+
+ }
+
+ protected File getFile(String relativePath) {
+ File writableBaseDir = getWritableBaseDir();
+ return new File(writableBaseDir.getPath() + File.separator
+ + relativePath.replace('/', File.separatorChar));
+ }
+ public File getWritableBaseDir() {
if (withExecutionSubdirectory) {
+ Date executionContextCreationDate = (Date) executionContext
+ .getVariable(ExecutionContext.VAR_EXECUTION_CONTEXT_CREATION_DATE);
Assert.notNull(executionContext, "execution context is null");
- String path = baseDir.getPath()
- + File.separator
- + sdf()
- .format(
- executionContext
- .getVariable(ExecutionContext.VAR_EXECUTION_CONTEXT_CREATION_DATE))
- + executionContext.getUuid();
- File executionDir = new File(path);
-
- return new File(executionDir.getPath() + File.separator
- + relativePath.replace('/', File.separatorChar));
+ String path = baseDir.getPath() + File.separator
+ + sdf().format(executionContextCreationDate);
+ // TODO write execution id somewhere? like in a txt file
+ return new File(path);
} else {
- return new File(baseDir.getPath() + File.separator
- + relativePath.replace('/', File.separatorChar));
+ return baseDir;
}
}