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/*******************************************************************************
* Copyright (c) 2011, 2017 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.internal.webapp.utils;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
public class Utils {
public static final String SERVICE_CONTEXT = "/vs/service"; //$NON-NLS-1$
public static final String RETURN_TYPE = "returnType"; //$NON-NLS-1$
public static final String NO_CATEGORY = "noCategory"; //$NON-NLS-1$
// returnType values: xml (default) | json
public static final String XML = "xml"; //$NON-NLS-1$
public static final String JSON = "json"; //$NON-NLS-1$
public static final String HTML = "html"; //$NON-NLS-1$
// Constants for About service
public static final long AGENT = 1L;
public static final long PREFERENCE = 2L;
public static final long ABOUT_PLUGIN = 3L;
public static String convertStreamToString(InputStream is)
throws IOException {
if (is != null) {
Writer writer = new StringWriter();
char[] buffer = new char[1024];
try {
Reader reader = new BufferedReader(
new InputStreamReader(is, StandardCharsets.UTF_8));
int n;
while ((n = reader.read(buffer)) != -1) {
writer.write(buffer, 0, n);
}
} finally {
is.close();
}
return writer.toString();
} else {
return ""; //$NON-NLS-1$
}
}
public static void transferContent(InputStream inputStream, OutputStream out)
throws IOException {
try {
// Prepare the input stream for reading
BufferedInputStream dataStream = new BufferedInputStream(
inputStream);
// Create a fixed sized buffer for reading.
// We could create one with the size of available data...
byte[] buffer = new byte[4096];
int len = 0;
while (true) {
len = dataStream.read(buffer); // Read file into the byte array
if (len == -1)
break;
out.write(buffer, 0, len);
}
} catch (Exception e) {
}
}
public static String updateResponse(String response) {
response = removeString(response, "advanced/synchWithToc.js"); //$NON-NLS-1$
response = removeString(response, "index.jsp"); //$NON-NLS-1$
return response;
}
private static String removeString(String response, String remove) {
StringBuilder buff = new StringBuilder(response);
int index = buff.indexOf(remove);
if (index > -1) {
int start = buff.lastIndexOf("<script", index); //$NON-NLS-1$
int end = buff.indexOf("</script>", index); //$NON-NLS-1$
if (start > -1 && end > -1 && start < end) {
buff.delete(start, end + "</script>".length()); //$NON-NLS-1$
}
}
return buff.toString();
}
}
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