first commit

hrmsEjb/org/apache/struts/util/ResponseUtils.java

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+package org.apache.struts.util;
+
+import java.io.IOException;
+import javax.servlet.jsp.JspException;
+import javax.servlet.jsp.JspWriter;
+import javax.servlet.jsp.PageContext;
+import javax.servlet.jsp.tagext.BodyContent;
+
+public class ResponseUtils {
+  protected static MessageResources messages = MessageResources.getMessageResources("org.apache.struts.util.LocalStrings");
+  
+  public static String filter(String value) {
+    if (value == null)
+      return null; 
+    char[] content = new char[value.length()];
+    value.getChars(0, value.length(), content, 0);
+    StringBuffer result = new StringBuffer(content.length + 50);
+    for (int i = 0; i < content.length; i++) {
+      switch (content[i]) {
+        case '<':
+          result.append("&lt;");
+          break;
+        case '>':
+          result.append("&gt;");
+          break;
+        case '&':
+          result.append("&amp;");
+          break;
+        case '"':
+          result.append("&quot;");
+          break;
+        case '\'':
+          result.append("&#39;");
+          break;
+        default:
+          result.append(content[i]);
+          break;
+      } 
+    } 
+    return result.toString();
+  }
+  
+  public static void write(PageContext pageContext, String text) throws JspException {
+    JspWriter writer = pageContext.getOut();
+    try {
+      writer.print(text);
+    } catch (IOException e) {
+      RequestUtils.saveException(pageContext, e);
+      throw new JspException(messages.getMessage("write.io", e.toString()));
+    } 
+  }
+  
+  public static void writePrevious(PageContext pageContext, String text) throws JspException {
+    JspWriter writer = pageContext.getOut();
+    if (writer instanceof BodyContent)
+      writer = ((BodyContent)writer).getEnclosingWriter(); 
+    try {
+      writer.print(text);
+    } catch (IOException e) {
+      RequestUtils.saveException(pageContext, e);
+      throw new JspException(messages.getMessage("write.io", e.toString()));
+    } 
+  }
+}