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This checks in the current state of WCM development.

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@3128 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Britt Park
2006-06-16 16:59:15 +00:00
parent 6b52660c8a
commit 936f6d7021
57 changed files with 9563 additions and 3827 deletions
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195
source/java/org/alfresco/repo/avm/FileContent.java
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@@ -14,213 +14,62 @@
* language governing permissions and limitations under the
* License.
*/
package org.alfresco.repo.avm;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Formatter;
import org.alfresco.error.AlfrescoRuntimeException;
import org.alfresco.repo.avm.hibernate.ContentBean;
import org.alfresco.repo.avm.hibernate.ContentBeanImpl;
import java.io.RandomAccessFile;
/**
* Content that is readable and writeable.
* Interface for file content. FileContent can be shared between files.
* @author britt
*/
public class FileContent
interface FileContent
{
/**
* The data containing bean.
*/
private ContentBean fData;
/**
* The name of the file.
*/
private String fName;
/**
* The directory path of the file.
*/
private String fPath;
/**
* Make one from a bean.
* @param data The Bean with the data.
*/
public FileContent(ContentBean data)
{
fData = data;
}
/**
* Make a brand new one.
* @param superRepo The SuperRepository.
*/
public FileContent(SuperRepository superRepo)
{
fData = new ContentBeanImpl(superRepo.issueContentID());
fData.setRefCount(1);
// Make an empty file.
try
{
getOutputStream(superRepo).close();
}
catch (IOException ie)
{
throw new AlfrescoRuntimeException("Couldn't close file.", ie);
}
superRepo.getSession().save(fData);
}
/**
* Copy constructor, sort of.
* @param other The content to copy from.
* @param superRepo The SuperRepository.
*/
public FileContent(FileContent other, SuperRepository superRepo)
{
fData = new ContentBeanImpl(superRepo.issueContentID());
fData.setRefCount(1);
// Copy the contents from other to this.
BufferedInputStream in = new BufferedInputStream(other.getInputStream(superRepo));
BufferedOutputStream out = new BufferedOutputStream(this.getOutputStream(superRepo));
try
{
byte [] buff = new byte[4096]; // Nyah, nyah.
int bytesRead;
while ((bytesRead = in.read(buff)) != -1)
{
out.write(buff, 0, bytesRead);
}
out.close();
in.close();
}
catch (IOException ie)
{
throw new AlfrescoRuntimeException("I/O failure in Copy on Write.", ie);
}
superRepo.getSession().save(fData);
}
/**
* Get the number of files that refer to this content.
* @return The reference count.
*/
public int getRefCount()
{
return fData.getRefCount();
}
public int getRefCount();
/**
* Set the reference count.
* @param count The count to set.
*/
public void setRefCount(int count)
{
fData.setRefCount(count);
}
public void setRefCount(int count);
/**
* Get an input stream from the content.
* @param superRepo The SuperRepository.
* @return An InputStream.
*/
public InputStream getInputStream(SuperRepository superRepo)
{
try
{
return new FileInputStream(getContentPath(superRepo));
}
catch (IOException ie)
{
throw new AlfrescoRuntimeException("Could not open for reading: " + getContentPath(superRepo), ie);
}
}
public InputStream getInputStream(SuperRepository superRepo);
/**
* Get an output stream to the content.
* @param superRepo The SuperRepository.
* @return an OutputStream.
*/
public OutputStream getOutputStream(SuperRepository superRepo)
{
try
{
File dir = new File(getDirectoryPath(superRepo));
if (!dir.exists())
{
dir.mkdirs();
}
return new FileOutputStream(getContentPath(superRepo));
}
catch (IOException ie)
{
throw new AlfrescoRuntimeException("Could not open for writing: " + getContentPath(superRepo), ie);
}
}
/**
* Get the underlying data bean. Don't abuse the privilege.
* @return The data bean.
*/
public ContentBean getDataBean()
{
return fData;
}
public OutputStream getOutputStream(SuperRepository superRepo);
/**
* Retrieve the full path for this content.
* Get a random access file to this content.
* @param superRepo The SuperRepository.
* @param access The mode to open the file in.
* @return A RandomAccessFile.
*/
public RandomAccessFile getRandomAccess(SuperRepository superRepo, String access);
/**
* Get the length of the file.
* @param superRepo
* @return The full path for this content.
* @return The length of the file.
*/
private String getContentPath(SuperRepository superRepo)
{
if (fName == null)
{
calcPathData(superRepo);
}
return fName;
}
public long getLength(SuperRepository superRepo);
/**
* Get the directory path for this content.
* @param superRepo
* @return The directory path.
* Get the object id.
* @return object id.
*/
private String getDirectoryPath(SuperRepository superRepo)
{
if (fPath == null)
{
calcPathData(superRepo);
}
return fPath;
}
/**
* Calculate the path data.
*/
private void calcPathData(SuperRepository superRepo)
{
long id = fData.getId();
Formatter form = new Formatter(new StringBuilder());
form.format("%016x", id);
String name = form.toString();
form = new Formatter(new StringBuilder());
form.format("/%02x/%02x/%02x",
(id & 0xff000000) >> 24,
(id & 0xff0000) >> 16,
(id & 0xff00) >> 8);
String dir = form.toString();
fPath = superRepo.getStorageRoot() + dir;
fName = fPath + "/" + name;
}
}
public long getId();
}