licensing cleanup (GPLv2)

[org.ibex.core.git] / src / org / ibex / core / Stream.java

diff --git a/src/org/ibex/core/Stream.java b/src/org/ibex/core/Stream.java
index 40fc71f..83d4d1b 100644 (file)
--- a/src/org/ibex/core/Stream.java
+++ b/src/org/ibex/core/Stream.java
@@ -1,10 +1,14 @@
-// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
-package org.ibex.js;
+// Copyright 2000-2005 the Contributors, as shown in the revision logs.
+// Licensed under the GNU General Public License version 2 ("the License").
+// You may not use this file except in compliance with the License.
+
+package org.ibex.core;
 
 import java.io.*;
 import java.util.zip.*;
+import org.ibex.js.*;
 import org.ibex.util.*;
-//import org.ibex.plat.*;
+import org.ibex.plat.*;
 import org.ibex.net.*;
 
 /**
@@ -13,7 +17,7 @@ import org.ibex.net.*;
  *   be totally independent of the others (ie separate stream position
  *   and state) although they draw from the same data source.
  */
-public abstract class Stream extends JS.Cloneable {
+public abstract class Stream extends JS.O implements JS.Cloneable {
 
     // Public Interface //////////////////////////////////////////////////////////////////////////////
 
@@ -23,9 +27,9 @@ public abstract class Stream extends JS.Cloneable {
     // streams are "sealed" by default to prevent accidental object leakage
     public void put(Object key, Object val) { }
     private Cache getCache = new Cache(100);
-    protected Object _get(Object key) { return null; }
-    public final Object get(Object key) {
-        Object ret = getCache.get(key);
+    protected JS _get(JS key) throws JSExn { return null; }
+    public final JS get(JS key) throws JSExn {
+        JS ret = (JS)getCache.get(key);
         if (ret == null) getCache.put(key, ret = _get(key));
         return ret;
     }
@@ -38,11 +42,11 @@ public abstract class Stream extends JS.Cloneable {
     /** HTTP or HTTPS resource */
     public static class HTTP extends Stream {
         private String url;
-        public String toString() { return "Stream.HTTP:" + url; }
+        //public String toString() { return "Stream.HTTP:" + url; }
         public HTTP(String url) { while (url.endsWith("/")) url = url.substring(0, url.length() - 1); this.url = url; }
-        public Object _get(Object key) { return new HTTP(url + "/" + (String)key); }
+        public JS _get(JS key) throws JSExn { return new HTTP(url + "/" + JS.toString(key)); }
         public String getCacheKey(Vec path) throws NotCacheableException { return url; }
-        public InputStream getInputStream() throws IOException { return new org.ibex.net.HTTP(url).GET(); }
+        public InputStream getInputStream() throws IOException { return new org.ibex.net.HTTP(url).GET(null, null); }
     }
 
     /** byte arrays */
@@ -59,10 +63,12 @@ public abstract class Stream extends JS.Cloneable {
     public static class File extends Stream {
         private String path;
         public File(String path) { this.path = path; }
-        public String toString() { return "file:" + path; }
+        //public String toString() { return "file:" + path; }
         public String getCacheKey() throws NotCacheableException { throw new NotCacheableException(); /* already on disk */ }
         public InputStream getInputStream() throws IOException { return new FileInputStream(path); }
-        public Object _get(Object key) { return new File(path + java.io.File.separatorChar + (String)key); }
+        public JS _get(JS key) throws JSExn {
+            System.out.println("get: " + JS.debugToString(key));
+            return new File(path + java.io.File.separatorChar + JS.toString(key)); }
     }
 
     /** "unwrap" a Zip archive */
@@ -76,7 +82,7 @@ public abstract class Stream extends JS.Cloneable {
             this.path = path;
         }
         public String getCacheKey() throws NotCacheableException { return parent.getCacheKey() + "!zip:"; }
-        public Object _get(Object key) { return new Zip(parent, path==null?(String)key:path+'/'+(String)key); }
+        public JS _get(JS key) throws JSExn { return new Zip(parent, path==null?JS.toString(key):path+'/'+JS.toString(key)); }
         public InputStream getInputStream() throws IOException {
             InputStream pis = parent.getInputStream();
             ZipInputStream zis = new ZipInputStream(pis);
@@ -88,15 +94,17 @@ public abstract class Stream extends JS.Cloneable {
     }
 
     /** "unwrap" a Cab archive */
+    /*
     public static class Cab extends Stream {
         private Stream parent;
         private String path;
         public Cab(Stream parent) { this(parent, null); }
         public Cab(Stream parent, String path) { this.parent = parent; this.path = path; }
         public String getCacheKey() throws NotCacheableException { return parent.getCacheKey() + "!cab:"; }
-        public Object _get(Object key) { return new Cab(parent, path==null?(String)key:path+'/'+(String)key); }
+        public JS _get(JS key) throws JSExn { return new Cab(parent, path==null?(String)key:path+'/'+(String)key); }
         public InputStream getInputStream() throws IOException { return new MSPack(parent.getInputStream()).getInputStream(path); }
     }
+    */
 
     /** the Builtin resource */
     public static class Builtin extends Stream {
@@ -104,6 +112,14 @@ public abstract class Stream extends JS.Cloneable {
         public InputStream getInputStream() throws IOException { return Platform.getBuiltinInputStream(); }
     }
 
+    /** the Builtin resource */
+    public static class FromInputStream extends Stream {
+        private final InputStream is;
+        public FromInputStream(InputStream is) { this.is = is; }
+        public String getCacheKey() throws NotCacheableException { throw new NotCacheableException(); }
+        public InputStream getInputStream() throws IOException { return is; }
+    }
+
     /** shadow resource which replaces the graft */
     public static class ProgressWatcher extends Stream {
         final Stream watchee;