Revision: 1683
http://svn.sourceforge.net/vexi/?rev=1683&view=rev
Author: mkpg2
Date: 2007-02-17 08:03:34 -0800 (Sat, 17 Feb 2007)
Log Message:
-----------
Make fountains (potentially) writeable
Modified Paths:
--------------
core/trunk/org.ibex.js/src/org/ibex/js/Fountain.java
Modified: core/trunk/org.ibex.js/src/org/ibex/js/Fountain.java
===================================================================
--- core/trunk/org.ibex.js/src/org/ibex/js/Fountain.java 2007-02-17
15:54:37 UTC (rev 1682)
+++ core/trunk/org.ibex.js/src/org/ibex/js/Fountain.java 2007-02-17
16:03:34 UTC (rev 1683)
@@ -7,9 +7,11 @@
import java.io.ByteArrayInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
+import java.io.OutputStream;
import java.util.Vector;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
@@ -35,6 +37,7 @@
// Public Interface
//////////////////////////////////////////////////////////////////////////////
public static InputStream getInputStream(JS js) throws IOException {
return ((Fountain)js.unclone()).getInputStream();}
+ public static OutputStream getOutputStream(JS js) throws IOException {
return ((Fountain)js.unclone()).getOutputStream();}
public static class NotCacheableException extends Exception { }
// streams are "sealed" by default to prevent accidental object leakage
@@ -56,6 +59,10 @@
// call stack) here as InputStream is not a JS object!
public abstract InputStream getInputStream() throws IOException;
+ public OutputStream getOutputStream() throws IOException{
+ throw new IOException(toString() + " is read only");
+ }
+
// Perform any caching (Fountain.Multi calls this on its
// constituent streams so that it can cache everything up
// front).
@@ -125,13 +132,20 @@
/** a file */
public static class File extends Fountain {
private String path;
- public File(String path) { this.path = path; }
+ private boolean writeable;
+ public File(String path) { this(path,true); }
+ public File(String path, boolean writeable) { this.path = path;
this.writeable = writeable;}
public String coerceToString() { return "File:" + path; }
public String getCacheKey() throws NotCacheableException { throw new
NotCacheableException(); /* already on disk */ }
public InputStream getInputStream() throws IOException {
try{return new FileInputStream(path);
}catch(FileNotFoundException e){return null;}
}
+ public OutputStream getOutputStream() throws IOException {
+ if(!writeable) throw new IOException("File readonly: " +
coerceToString());
+ try{return new FileOutputStream(path);
+ }catch(FileNotFoundException e){return null;}
+ }
public JS _get(JS key) throws JSExn { return new File(path +
java.io.File.separatorChar + JSU.toString(key)); }
}
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