diff options
Diffstat (limited to 'src/main/java/at/gv/egiz/pdfas/web/filter/EncodingFilter.java')
| -rw-r--r-- | src/main/java/at/gv/egiz/pdfas/web/filter/EncodingFilter.java | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/web/filter/EncodingFilter.java b/src/main/java/at/gv/egiz/pdfas/web/filter/EncodingFilter.java deleted file mode 100644 index 5267918..0000000 --- a/src/main/java/at/gv/egiz/pdfas/web/filter/EncodingFilter.java +++ /dev/null @@ -1,123 +0,0 @@ -package at.gv.egiz.pdfas.web.filter;
-
-import java.io.IOException;
-import java.nio.charset.Charset;
-
-import javax.servlet.FilterChain;
-import javax.servlet.FilterConfig;
-import javax.servlet.ServletException;
-import javax.servlet.ServletRequest;
-import javax.servlet.ServletResponse;
-
-import org.apache.commons.lang.StringUtils;
-import org.apache.commons.lang.builder.ToStringBuilder;
-import org.apache.log4j.Logger;
-
-/**
- * @author <a href="mailto:thomas.knall@iaik.tugraz.at">Thomas Knall</a>
- */
-public class EncodingFilter implements javax.servlet.Filter {
-
- private static final String SERVLET_INIT_PARAM_ENCODING = "encoding";
-
- private static final String SERVLET_INIT_PARAM_SET_REQUEST_ENCODING = "setRequestEncoding";
- private static final String SERVLET_INIT_PARAM_FORCE_REQUEST_ENCODING = "forceRequestEncoding";
-
- private static final String SERVLET_INIT_PARAM_SET_RESPONSE_ENCODING = "setResponseEncoding";
- private static final String SERVLET_INIT_PARAM_FORCE_RESPONSE_ENCODING = "forceResponseEncoding";
-
- private static final boolean DEFAULT_SET_REQUEST_ENCODING_VALUE = true;
- private static final boolean DEFAULT_FORCE_REQUEST_ENCODING_VALUE = true;
- private static final boolean DEFAULT_SET_RESPONSE_ENCODING_VALUE = false;
- private static final boolean DEFAULT_FORCE_RESPONSE_ENCODING_VALUE = false;
-
- private Logger log = Logger.getLogger(getClass().getName());
-
- private String encoding = null;
-
- private boolean setRequestEncoding;
- private boolean forceRequestEncoding;
-
- private boolean setResponseEncoding;
- private boolean forceResponseEncoding;
-
- private boolean enabled = false;
-
- private boolean parseBooleanInitParameter(final FilterConfig filterConfig, String parameterName, boolean defaultValue) {
- String paramValue = filterConfig.getInitParameter(parameterName);
- if (paramValue == null) {
- return defaultValue;
- }
- paramValue = paramValue.trim();
- if (paramValue.equalsIgnoreCase("true")) {
- return true;
- } else if (paramValue.equalsIgnoreCase("false")){
- return false;
- } else {
- log.warn("Unknown value \"" + paramValue + "\" for init parameter \"" + parameterName + "\" detected. Should be \"true\" or \"false\". Using default value \"" + defaultValue + "\".");
- return defaultValue;
- }
- }
-
- public void init(final FilterConfig filterConfig) throws ServletException {
- log.debug("Initializing encoding filter (" + getClass().getName() + ").");
-
- // mandatory parameter encoding
- String desiredEncoding = filterConfig.getInitParameter(SERVLET_INIT_PARAM_ENCODING);
- if (StringUtils.isEmpty(desiredEncoding)) {
- log.warn("Unable to initialize encoding filter (" + getClass().getName() + "). Init parameter \"" + SERVLET_INIT_PARAM_ENCODING + "\" empty or not supplied.");
- } else if (!Charset.isSupported(desiredEncoding)) {
- log.warn("Unable to initialize encoding filter (" + getClass().getName() + "). Encoding \"" + desiredEncoding + "\" is not supported.");
- } else {
- this.encoding = desiredEncoding;
- this.enabled = true;
- this.setRequestEncoding = this.parseBooleanInitParameter(filterConfig, SERVLET_INIT_PARAM_SET_REQUEST_ENCODING, DEFAULT_SET_REQUEST_ENCODING_VALUE);
- this.forceRequestEncoding = this.parseBooleanInitParameter(filterConfig, SERVLET_INIT_PARAM_FORCE_REQUEST_ENCODING, DEFAULT_FORCE_REQUEST_ENCODING_VALUE);
- this.setResponseEncoding = this.parseBooleanInitParameter(filterConfig, SERVLET_INIT_PARAM_SET_RESPONSE_ENCODING, DEFAULT_SET_RESPONSE_ENCODING_VALUE);
- this.forceResponseEncoding = this.parseBooleanInitParameter(filterConfig, SERVLET_INIT_PARAM_FORCE_RESPONSE_ENCODING, DEFAULT_FORCE_RESPONSE_ENCODING_VALUE);
- log.debug("Encoding filter \"" + getClass().getName() + "\" configured: " + this.toString(true));
-
- }
- }
-
- public String toString(boolean verbose) {
- if (verbose) {
- return new ToStringBuilder(this)
- .append(SERVLET_INIT_PARAM_ENCODING, this.encoding)
- .append(SERVLET_INIT_PARAM_SET_REQUEST_ENCODING, this.setRequestEncoding)
- .append(SERVLET_INIT_PARAM_FORCE_REQUEST_ENCODING, this.forceRequestEncoding)
- .append(SERVLET_INIT_PARAM_SET_RESPONSE_ENCODING, this.setResponseEncoding)
- .append(SERVLET_INIT_PARAM_FORCE_RESPONSE_ENCODING, this.forceResponseEncoding)
- .toString();
- } else {
- return super.toString();
- }
- }
-
- public void doFilter(ServletRequest request, ServletResponse response, final FilterChain filterChain) throws IOException, ServletException {
- if (this.enabled) {
- if (this.setRequestEncoding) {
- if (this.forceRequestEncoding) {
- log.trace("Forcing request encoding \"" + this.encoding + "\".");
- request.setCharacterEncoding(this.encoding);
- } else if (request.getCharacterEncoding() == null) {
- log.trace("Request character encoding not set. Setting to \"" + this.encoding + "\".");
- request.setCharacterEncoding("UTF8");
- }
- }
- if (this.setResponseEncoding) {
- if (this.forceResponseEncoding) {
- log.trace("Forcing response encoding \"" + this.encoding + "\".");
- response.setCharacterEncoding(this.encoding);
- } else if (response.getCharacterEncoding() == null) {
- log.trace("Response character encoding not set. Setting to \"" + this.encoding + "\".");
- response.setCharacterEncoding("UTF8");
- }
- }
- }
- filterChain.doFilter(request, response);
- }
-
- public void destroy() {
- }
-}
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