//
// The code in the next two methods is based on the code in HttpUtils.java
// from
// javax.servlet.http. HttpUtils is deprecated - so I updated the methods to
// be a bit smarter
// and use Map instead of Hashtable
//
public static Map parseQueryString(final String s) {
String[] valArray = null;
if (s == null) {
throw new IllegalArgumentException();
}
Map<String, String[]> rtn = new HashMap<String, String[]>();
StringBuffer sb = new StringBuffer();
String key;
for (StringTokenizer st = new StringTokenizer(s, "&");
st.hasMoreTokens();
rtn.put(key, valArray)) { // $NON-NLS-1$
String pair = st.nextToken();
int pos = pair.indexOf('=');
if (pos == -1) {
throw new IllegalArgumentException();
}
key = HttpUtil.parseName(pair.substring(0, pos), sb);
String val = HttpUtil.parseName(pair.substring(pos + 1, pair.length()), sb);
if (rtn.containsKey(key)) {
String[] oldVals = rtn.get(key);
valArray = new String[oldVals.length + 1];
System.arraycopy(oldVals, 0, valArray, 0, oldVals.length);
valArray[oldVals.length] = val;
} else {
valArray = new String[1];
valArray[0] = val;
}
}
return rtn;
}
private String getUrl(final String url) {
StringBuffer content = new StringBuffer();
try {
// check to see if this URL failed before thia session
if ((getSession() != null)
&& (getSession().getAttribute("pentaho-HtmlComponent-failed-url-" + url)
!= null)) { //$NON-NLS-1$
return errorMessage;
}
if (BaseUIComponent.debug) {
debug(Messages.getInstance().getString("Html.DEBUG_GETTING_CONTENT", url)); // $NON-NLS-1$
}
if (HttpUtil.getURLContent(url, content)) {
return content.toString();
} else {
getSession()
.setAttribute(
"pentaho-HtmlComponent-failed-url-" + url, ""); // $NON-NLS-1$ //$NON-NLS-2$
return errorMessage;
}
} catch (Exception e) {
if (errorMessage != null) {
return errorMessage;
} else {
error(
Messages.getInstance()
.getErrorString("Html.ERROR_0001_COULD_NOT_GET_CONTENT", url)); // $NON-NLS-1$
return Messages.getInstance()
.getErrorString("Html.ERROR_0001_COULD_NOT_GET_CONTENT", url); // $NON-NLS-1$
}
}
}
public static boolean getURLContent(final String url, final StringBuffer content)
throws MalformedURLException, IOException {
HttpClient httpClient = HttpUtil.getClient();
try {
GetMethod call = new GetMethod(url);
int status = httpClient.executeMethod(call);
if (status == 200) {
InputStream response = call.getResponseBodyAsStream();
try {
byte[] buffer = new byte[2048];
int size = response.read(buffer);
while (size > 0) {
for (int idx = 0; idx < size; idx++) {
content.append((char) buffer[idx]);
}
size = response.read(buffer);
}
} catch (Exception e) {
// we can ignore this because the content comparison will fail
}
}
} catch (Throwable e) {
StringWriter writer = new StringWriter();
PrintWriter writer2 = new PrintWriter(writer);
e.printStackTrace(writer2);
content.append(writer.getBuffer());
return false;
}
return true;
}
public static String getURLContent(final String uri) {
try {
StringBuffer content = new StringBuffer();
HttpUtil.getURLContent(uri, content);
return content.toString();
} catch (Exception e) {
// TODO: handle this error
Logger.error(
"org.pentaho.platform.util.web.HttpUtil",
Messages.getInstance().getErrorString("HttpUtil.ERROR_0001_URL_ERROR", e.getMessage()),
e); //$NON-NLS-1$ //$NON-NLS-2$
return null;
}
}