antville/helma
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Implemented global getURL() function

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hns 2003-06-13 15:41:26 +00:00
parent 02f8ad1e3e
commit 4d419c3a46
1 changed files with 89 additions and 1 deletions
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90
src/helma/scripting/rhino/GlobalObject.java
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@ -21,9 +21,18 @@ import helma.framework.core.*;
import helma.objectmodel.*;
import helma.objectmodel.db.*;
import helma.util.HtmlEncoder;
import helma.util.MimePart;
import org.mozilla.javascript.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.text.*;
import java.io.*;
/**
*
@ -49,7 +58,7 @@ public class GlobalObject extends ScriptableObject {
"renderSkin", "renderSkinAsString", "getProperty",
"authenticate", "createSkin", "format", "encode",
"encodeXml", "encodeForm", "stripTags",
"getDBConnection"
"getDBConnection", "getURL"
};
defineFunctionProperties(globalFuncs, GlobalObject.class, 0);
@ -207,6 +216,85 @@ public class GlobalObject extends ScriptableObject {
}
public Object getURL(String location, Object opt) {
if (location == null) {
return null;
}
try {
URL url = new URL(location);
URLConnection con = url.openConnection();
// do we have if-modified-since or etag headers to set?
if (opt != null && opt != Undefined.instance) {
if (opt instanceof Scriptable) {
Scriptable scr = (Scriptable) opt;
if ("Date".equals(scr.getClassName())) {
Date date = new Date((long) ScriptRuntime.toNumber(scr));
con.setIfModifiedSince(date.getTime());
SimpleDateFormat format = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss zzz",
Locale.UK);
format.setTimeZone(TimeZone.getTimeZone("GMT"));
con.setRequestProperty("If-Modified-Since", format.format(date));
}else {
con.setRequestProperty("If-None-Match", scr.toString());
}
} else {
con.setRequestProperty("If-None-Match", opt.toString());
}
}
String httpUserAgent = app.getProperty("httpUserAgent");
if (httpUserAgent != null) {
con.setRequestProperty("User-Agent", httpUserAgent);
}
con.setAllowUserInteraction(false);
String filename = url.getFile();
String contentType = con.getContentType();
long lastmod = con.getLastModified();
String etag = con.getHeaderField("ETag");
int length = con.getContentLength();
int resCode = 0;
if (con instanceof HttpURLConnection) {
resCode = ((HttpURLConnection) con).getResponseCode();
}
ByteArrayOutputStream body = new ByteArrayOutputStream();
if ((length != 0) && (resCode != 304)) {
InputStream in = new BufferedInputStream(con.getInputStream());
byte[] b = new byte[1024];
int read;
while ((read = in.read(b)) > -1)
body.write(b, 0, read);
in.close();
}
MimePart mime = new MimePart(filename, body.toByteArray(), contentType);
if (lastmod > 0) {
mime.lastModified = new Date(lastmod);
}
mime.eTag = etag;
return mime;
} catch (Exception ignore) {
System.err.println ("EXCEPT: "+ignore);
}
return null;
}
/**
*
*