init

2025-09-05 17:16:26 +09:00
commit c54ef1903f
4947 changed files with 817291 additions and 0 deletions
@@ -0,0 +1,89 @@
+package com.eactive.eai.common.util;
+
+/**
+ */
+public class XmlUtil {
+
+    private static final String CDATA_START  = "<![CDATA[";
+    private static final String CDATA_END    = "]]>";
+    private static final String CDATA_PSEUDO_END = "]]&gt;";
+    private static final String CDATA_EMBEDED_END = CDATA_END + CDATA_PSEUDO_END + CDATA_START;
+    private static final int CDATA_END_LEN = CDATA_END.length();
+
+    /**
+     * This method takes a string which may contain HTML tags (ie,
+     * &lt;b&gt;, &lt;table&gt;, etc) and replaces any
+     * '<',  '>' , '&' or '"'
+     * characters with respective predefined entity references.
+     *
+     * @param input The text to be converted.
+     * @return The input string with the special characters replaced.
+     * */
+    static public String escapeTags(final String input) {
+        // Check if the string is null, zero length or devoid of special characters
+        // if so, return what was sent in.
+
+        if(input == null
+            || input.length() == 0
+            || (input.indexOf('"') == -1 &&
+            input.indexOf('&') == -1 &&
+            input.indexOf('<') == -1 &&
+            input.indexOf('>') == -1)) {
+            return input;
+        }
+
+        StringBuffer buf = new StringBuffer(input.length() + 6);
+        char ch;
+
+        int len = input.length();
+        for(int i=0; i < len; i++) {
+            ch = input.charAt(i);
+            if (ch > '>') {
+                buf.append(ch);
+            } else if(ch == '<') {
+                buf.append("&lt;");
+            } else if(ch == '>') {
+                buf.append("&gt;");
+            } else if(ch == '&') {
+                buf.append("&amp;");
+            } else if(ch == '"') {
+                buf.append("&quot;");
+            } else {
+                buf.append(ch);
+            }
+        }
+        return buf.toString();
+    }
+
+    /**
+     * Ensures that embeded CDEnd strings (]]>) are handled properly
+     * within message, NDC and throwable tag text.
+     *
+     * @param buf StringBuffer holding the XML data to this point.  The
+     * initial CDStart (<![CDATA[) and final CDEnd (]]>) of the CDATA
+     * section are the responsibility of the calling method.
+     * @param str The String that is inserted into an existing CDATA Section within buf.
+     * */
+    static public void appendEscapingCDATA(final StringBuffer buf,
+                                           final String str) {
+        if (str != null) {
+            int end = str.indexOf(CDATA_END);
+            if (end < 0) {
+                buf.append(str);
+            } else {
+                int start = 0;
+                while (end > -1) {
+                    buf.append(str.substring(start, end));
+                    buf.append(CDATA_EMBEDED_END);
+                    start = end + CDATA_END_LEN;
+                    if (start < str.length()) {
+                        end = str.indexOf(CDATA_END, start);
+                    } else {
+                        return;
+                    }
+                }
+                buf.append(str.substring(start));
+            }
+        }
+    }
+}