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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.chemistry.opencmis.client.util;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.HashMap;
import java.util.Map;
import org.apache.chemistry.opencmis.client.api.CmisObject;
import org.apache.chemistry.opencmis.client.api.Document;
import org.apache.chemistry.opencmis.client.api.Folder;
import org.apache.chemistry.opencmis.client.api.Property;
import org.apache.chemistry.opencmis.client.api.Session;
import org.apache.chemistry.opencmis.commons.PropertyIds;
import org.apache.chemistry.opencmis.commons.data.ContentStream;
import org.apache.chemistry.opencmis.commons.enums.BaseTypeId;
import org.apache.chemistry.opencmis.commons.enums.UnfileObject;
import org.apache.chemistry.opencmis.commons.enums.VersioningState;
import org.apache.chemistry.opencmis.commons.exceptions.CmisBaseException;
import org.apache.chemistry.opencmis.commons.impl.IOUtils;
/**
* A set of utility methods that simplify file and folder operations.
*/
public final class FileUtils {
private FileUtils() {
}
/**
* Gets an object by path or object id.
*
* @param pathOrIdOfObject
* the path or object id
* @param session
* the session
* @return the object
* @throws CmisBaseException
*/
public static CmisObject getObject(String pathOrIdOfObject, Session session) {
if (session == null) {
throw new IllegalArgumentException("session must be set!");
}
if (pathOrIdOfObject == null || pathOrIdOfObject.length() == 0) {
throw new IllegalArgumentException("pathOrIdOfObject must be set!");
}
CmisObject result = null;
if (pathOrIdOfObject.charAt(0) == '/') {
result = session.getObjectByPath(pathOrIdOfObject);
} else {
result = session.getObject(pathOrIdOfObject);
}
return result;
}
/**
* Gets a folder by path or object id.
*
* @param pathOrIdOfObject
* the path or folder id
* @param session
* the session
* @return the folder object
* @throws CmisBaseException
*/
public static Folder getFolder(String pathOrIdOfObject, Session session) {
CmisObject folder = getObject(pathOrIdOfObject, session);
if (folder instanceof Folder) {
return (Folder) folder;
} else {
throw new IllegalArgumentException("Object is not a folder!");
}
}
/**
* Creates a document from a file.
*
* @param parentIdOrPath
* the id or path of the parent folder
* @param file
* the source file
* @param type
* the document type (defaults to cmis:document)
* @param versioningState
* the versioning state or null
* @return the newly created document
* @throws FileNotFoundException
* @throws CmisBaseException
*/
public static Document createDocumentFromFile(String parentIdOrPath, File file, String type,
VersioningState versioningState, Session session) throws FileNotFoundException {
if (type == null) {
type = BaseTypeId.CMIS_DOCUMENT.value(); // "cmis:document";
}
Folder parentFolder = getFolder(parentIdOrPath, session);
String name = file.getName();
Map properties = new HashMap();
properties.put(PropertyIds.OBJECT_TYPE_ID, type);
properties.put(PropertyIds.NAME, name);
ContentStream contentStream = ContentStreamUtils.createFileContentStream(name, file);
try {
return parentFolder.createDocument(properties, contentStream, versioningState);
} finally {
IOUtils.closeQuietly(contentStream);
}
}
/**
* Creates a text document from a string.
*
* @param parentIdOrPath
* the id or path of the parent folder
* @param name
* the document name
* @param content
* the content string
* @param type
* the document type (defaults to cmis:document)
* @param versioningState
* the versioning state or null
* @param session
* the session
* @return the newly created document
*/
public static Document createTextDocument(String parentIdOrPath, String name, String content, String type,
VersioningState versioningState, Session session) {
if (type == null) {
type = BaseTypeId.CMIS_DOCUMENT.value(); // "cmis:document";
}
Folder parentFolder = getFolder(parentIdOrPath, session);
Map properties = new HashMap();
properties.put(PropertyIds.OBJECT_TYPE_ID, type);
properties.put(PropertyIds.NAME, name);
ContentStream contentStream = ContentStreamUtils.createTextContentStream(name, content);
try {
return parentFolder.createDocument(properties, contentStream, versioningState);
} finally {
IOUtils.closeQuietly(contentStream);
}
}
/**
* Creates a child folder with the name specified of the type specified. If
* type is null then will default to cmis:folder.
*
* @param parentFolder
* the parent folder
* @param name
* the folder name
* @param type
* the folder type (defaults to cmis:folder)
* @return the newly created folder
* @throws CmisBaseException
*/
public static Folder createFolder(Folder parentFolder, String name, String type) {
if (type == null) {
type = BaseTypeId.CMIS_FOLDER.value();
}
Map properties = new HashMap();
properties.put(PropertyIds.OBJECT_TYPE_ID, type);
properties.put(PropertyIds.NAME, name);
return parentFolder.createFolder(properties);
}
/**
* Creates a folder using a String identifier.
*
* @param parentIdOrPath
* the id or path of the parent folder
* @param name
* the folder name
* @param type
* the folder type (defaults to cmis:folder)
* @param session
* the session
* @return the newly created folder
* @throws CmisBaseException
*/
public static Folder createFolder(String parentIdOrPath, String name, String type, Session session) {
Folder parentFolder = getFolder(parentIdOrPath, session);
if (type == null) {
type = BaseTypeId.CMIS_FOLDER.value();
}
Map properties = new HashMap();
properties.put(PropertyIds.OBJECT_TYPE_ID, type);
properties.put(PropertyIds.NAME, name);
return parentFolder.createFolder(properties);
}
/**
* Downloads the contentStream for the given doc to the specified path.
*
* @param doc
* the document
* @param destinationPath
* the destination path
* @throws IOException
* @throws CmisBaseException
*/
public static void download(Document doc, String destinationPath) throws IOException {
if (doc == null) {
return;
}
FileOutputStream out = new FileOutputStream(destinationPath);
ContentStream stream = null;
try {
stream = doc.getContentStream();
if (stream != null) {
IOUtils.copy(stream.getStream(), out, 64 * 1024);
}
} finally {
IOUtils.closeQuietly(out);
IOUtils.closeQuietly(stream);
}
}
/**
* Downloads a document by its id or path.
*
* @param docIdOrPath
* the id or path of the document
* @param destinationPath
* the destination path
* @param session
* the session
* @throws IOException
* @throws CmisBaseException
*/
public static void download(String docIdOrPath, String destinationPath, Session session) throws IOException {
CmisObject doc = getObject(docIdOrPath, session);
if (doc instanceof Document) {
download((Document) doc, destinationPath);
} else {
throw new IllegalArgumentException("Object is not a document!");
}
}
/**
* Deletes an object by path or id (string identifier).
*
* @param pathOrIdOfObject
* the id or path of the object
* @param session
* the session
* @throws CmisBaseException
*/
public static void delete(String pathOrIdOfObject, Session session) {
CmisObject object = getObject(pathOrIdOfObject, session);
if (object instanceof Folder) {
((Folder) object).deleteTree(true, UnfileObject.DELETE, true);
} else {
object.delete(true);
}
}
/**
* Prints out all of the properties for this object to System.out.
*
* @param object
* the object
*/
public static void printProperties(CmisObject object) {
printProperties(object, System.out);
}
/**
* Prints out all of the properties for this object to the given
* PrintStream.
*
* @param object
* the object
*/
public static void printProperties(CmisObject object, PrintStream out) {
for (Property prop : object.getProperties()) {
printProperty(prop, out);
}
}
public static void printProperty(Property prop) {
printProperty(prop, System.out);
}
public static void printProperty(Property prop, PrintStream out) {
out.println(prop.getId() + ": " + prop.getValuesAsString());
}
}
