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Added HTTP 1.1 conditional GET support to EepGet.

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This commit is contained in:
ragnarok
2005-07-31 22:17:10 +00:00
committed by zzz
parent def24e34ad
commit fbe42b7dce
1 changed files with 26 additions and 6 deletions
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32
core/java/src/net/i2p/util/EepGet.java
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@ -54,18 +54,18 @@ public class EepGet {
this(ctx, true, proxyHost, proxyPort, numRetries, outputFile, url);
}
public EepGet(I2PAppContext ctx, String proxyHost, int proxyPort, int numRetries, String outputFile, String url, boolean allowCaching) {
this(ctx, true, proxyHost, proxyPort, numRetries, outputFile, url, allowCaching);
this(ctx, true, proxyHost, proxyPort, numRetries, outputFile, url, allowCaching, null);
}
public EepGet(I2PAppContext ctx, int numRetries, String outputFile, String url) {
this(ctx, false, null, -1, numRetries, outputFile, url);
}
public EepGet(I2PAppContext ctx, int numRetries, String outputFile, String url, boolean allowCaching) {
this(ctx, false, null, -1, numRetries, outputFile, url, allowCaching);
this(ctx, false, null, -1, numRetries, outputFile, url, allowCaching, null);
}
public EepGet(I2PAppContext ctx, boolean shouldProxy, String proxyHost, int proxyPort, int numRetries, String outputFile, String url) {
this(ctx, shouldProxy, proxyHost, proxyPort, numRetries, outputFile, url, true);
this(ctx, shouldProxy, proxyHost, proxyPort, numRetries, outputFile, url, true, null);
}
public EepGet(I2PAppContext ctx, boolean shouldProxy, String proxyHost, int proxyPort, int numRetries, String outputFile, String url, boolean allowCaching) {
public EepGet(I2PAppContext ctx, boolean shouldProxy, String proxyHost, int proxyPort, int numRetries, String outputFile, String url, boolean allowCaching, String etag) {
_context = ctx;
_log = ctx.logManager().getLog(EepGet.class);
_shouldProxy = shouldProxy;
@ -79,10 +79,11 @@ public class EepGet {
_bytesRemaining = -1;
_currentAttempt = 0;
_listeners = new ArrayList(1);
_etag = etag;
}
/**
* EepGet [-p localhost:4444] [-n #retries] [-o outputFile] [-m markSize lineLen] url
* EepGet [-p localhost:4444] [-n #retries] [-e etag] [-o outputFile] [-m markSize lineLen] url
*
*/
public static void main(String args[]) {
@ -91,6 +92,7 @@ public class EepGet {
int numRetries = 5;
int markSize = 1024;
int lineLen = 40;
String etag = null;
String saveAs = null;
String url = null;
try {
@ -103,6 +105,9 @@ public class EepGet {
} else if (args[i].equals("-n")) {
numRetries = Integer.parseInt(args[i+1]);
i++;
} else if (args[i].equals("-e")) {
etag = "\"" + args[i+1] + "\"";
i++;
} else if (args[i].equals("-o")) {
saveAs = args[i+1];
i++;
@ -127,7 +132,7 @@ public class EepGet {
if (saveAs == null)
saveAs = suggestName(url);
EepGet get = new EepGet(I2PAppContext.getGlobalContext(), proxyHost, proxyPort, numRetries, saveAs, url);
EepGet get = new EepGet(I2PAppContext.getGlobalContext(), true, proxyHost, proxyPort, numRetries, saveAs, url, true, etag);
get.addStatusListener(get.new CLIStatusListener(markSize, lineLen));
get.fetch();
}
@ -230,6 +235,7 @@ public class EepGet {
System.out.println("== Output saved to " + outputFile);
long timeToSend = _context.clock().now() - _startedOn;
System.out.println("== Transfer time: " + DataHelper.formatDuration(timeToSend));
System.out.println("== ETag: " + _etag);
StringBuffer buf = new StringBuffer(50);
buf.append("== Transfer rate: ");
double kbps = (1000.0d*(double)(_written)/((double)timeToSend*1024.0d));
@ -367,6 +373,10 @@ public class EepGet {
_out = new FileOutputStream(_outputFile, true);
rcOk = true;
break;
case 304: // not modified
_bytesRemaining = 0;
_keepFetching = false;
return;
case 416: // completed (or range out of reach)
_bytesRemaining = 0;
_keepFetching = false;
@ -564,9 +574,19 @@ public class EepGet {
buf.append("Cache-control: no-cache\n");
buf.append("Pragma: no-cache\n");
}
if (_etag != null) {
buf.append("If-None-Match: ");
buf.append(_etag);
buf.append("\n");
}
buf.append("Connection: close\n\n");
if (_log.shouldLog(Log.DEBUG))
_log.debug("Request: [" + buf.toString() + "]");
return buf.toString();
}
public String getETag() {
return _etag;
}
}