WIP

[facebook-utils] / src / main / java / de / juplo / facebook / aspects / SanitizeAspect.java

diff --git a/src/main/java/de/juplo/facebook/aspects/SanitizeAspect.java b/src/main/java/de/juplo/facebook/aspects/SanitizeAspect.java
deleted file mode 100644 (file)
index 4bdf908..0000000
--- a/src/main/java/de/juplo/facebook/aspects/SanitizeAspect.java
+++ /dev/null
@@ -1,93 +0,0 @@
-package de.juplo.facebook.aspects;
-
-
-import org.aspectj.lang.ProceedingJoinPoint;
-import org.aspectj.lang.annotation.Around;
-import org.aspectj.lang.annotation.Aspect;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-
-
-/**
- * @author Kai Moritz
- */
-@Aspect
-public class SanitizeAspect
-{
-  private static final Logger log =
-      LoggerFactory.getLogger(SanitizeAspect.class);
-
-
-  /**
-   * This method sanitizes the given string in all means:
-   * <ul>
-   * <li>It removes leading and trailing whitspace.</li>
-   * <li>It removes characters, that are not allowed in the XML-output</li>
-   * <li>It checks the allowed length of the string</li>
-   * </ul>
-   *
-   * This method ensures that the output String has only
-   * valid XML unicode characters as specified by the
-   * XML 1.0 standard. For reference, please see
-   * <a href="http://www.w3.org/TR/2000/REC-xml-20001006#NT-Char">the
-   * standard</a>. This method will return an empty
-   * String if the input is null or empty.
-   *
-   * @param jp The join-point captured by AspectJ.
-   * @param in The String whose non-valid characters we want to remove.
-   * @param sanitize The annotation, the field was marked with.
-   * @see <a href="http://blog.mark-mclaren.info/2007/02/invalid-xml-characters-when-valid-utf8_5873.html">Invalid XML Characters: when valid UTF8 does not mean valid XML</a>
-   * @see <a href="http://up-download.de/up/docs/werkstatt/de/intrexx-werkstatt-ungueltige-zeichen-in-eingabefeldern-abfangen.pdf">Ungültige Zeichen in Eingabefeldern abfangen</a>
-   */
-  @Around("set(String *) && args(in) && @annotation(sanitize)")
-  public void sanitize(
-      ProceedingJoinPoint jp,
-      String in,
-      Sanitize sanitize
-      )
-      throws Throwable
-  {
-    if (in == null)
-    {
-      jp.proceed(new Object[] { null });
-      return;
-    }
-
-    in = in.trim();
-    if ("".equals(in))
-    {
-      jp.proceed(new Object[] { null });
-      return;
-    }
-
-    StringBuilder out = new StringBuilder(); // Used to hold the output.
-    char current; // Used to reference the current character.
-
-    for (int i = 0; i < in.length(); i++)
-    {
-      current = in.charAt(i); // NOTE: No IndexOutOfBoundsException caught here; it should not happen.
-      if ((current == 0x9) ||
-          (current == 0xA) ||
-          (current == 0xD) ||
-          ((current >= 0x20) && (current <= 0xD7FF)) ||
-          ((current >= 0xE000) && (current <= 0xFFFD)) ||
-          ((current >= 0x10000) && (current <= 0x10FFFF)))
-        out.append(current);
-    }
-    if (out.length() > sanitize.length())
-    {
-      log.error(
-          "Maximum length for attribute {} exceeded: should={}, was={}",
-          jp.getSignature().getName(),
-          sanitize.length(),
-          out.length()
-          );
-      if (sanitize.fail())
-        throw new RuntimeException("String is longer than " + sanitize.length());
-      else
-        out.setLength(sanitize.length());
-    }
-    jp.proceed(new Object[] { out.toString() });
-  }
-}