public class UsersDump {
- /**
- * @param args
- */
- public static boolean write(OutputStream os, AbsUserCache<?> lur) {
- PrintStream ps;
- if(os instanceof PrintStream) {
- ps = (PrintStream)os;
- } else {
- ps = new PrintStream(os);
- }
- try {
- ps.println("<?xml version='1.0' encoding='utf-8'?>");
- ps.println("<!--");
- ps.print( " Code Generated Tomcat Users and Roles from AT&T LUR on ");
- ps.println(new Date());
- ps.println( "-->");
- ps.println("<tomcat-users>");
+ /**
+ * @param args
+ */
+ public static boolean write(OutputStream os, AbsUserCache<?> lur) {
+ PrintStream ps;
+ if (os instanceof PrintStream) {
+ ps = (PrintStream)os;
+ } else {
+ ps = new PrintStream(os);
+ }
+ try {
+ ps.println("<?xml version='1.0' encoding='utf-8'?>");
+ ps.println("<!--");
+ ps.print( " Code Generated Tomcat Users and Roles from AT&T LUR on ");
+ ps.println(new Date());
+ ps.println( "-->");
+ ps.println("<tomcat-users>");
- // We loop through Users, but want to write Groups first... therefore, save off print
- StringBuilder sb = new StringBuilder();
-
- // Obtain all unique role names
- HashSet<String> groups = new HashSet<>();
- for(AbsUserCache<?>.DumpInfo di : lur.dumpInfo()) {
- sb.append("\n <user username=\"");
- sb.append(di.user);
- sb.append("\" roles=\"");
- boolean first = true;
- for(String role : di.perms) {
- groups.add(role);
- if(first)first = false;
- else sb.append(',');
- sb.append(role);
- }
- sb.append("\"/>");
+ // We loop through Users, but want to write Groups first... therefore, save off print
+ StringBuilder sb = new StringBuilder();
+
+ // Obtain all unique role names
+ HashSet<String> groups = new HashSet<>();
+ for (AbsUserCache<?>.DumpInfo di : lur.dumpInfo()) {
+ sb.append("\n <user username=\"");
+ sb.append(di.user);
+ sb.append("\" roles=\"");
+ boolean first = true;
+ for (String role : di.perms) {
+ groups.add(role);
+ if (first)first = false;
+ else sb.append(',');
+ sb.append(role);
+ }
+ sb.append("\"/>");
- }
+ }
- // Print roles
- for(String group : groups) {
- ps.print(" <role rolename=\"");
- ps.print(group);
- ps.println("\"/>");
- }
-
- ps.println(sb);
+ // Print roles
+ for (String group : groups) {
+ ps.print(" <role rolename=\"");
+ ps.print(group);
+ ps.println("\"/>");
+ }
+
+ ps.println(sb);
- ps.println("</tomcat-users>");
- ps.flush();
- } catch (Exception t) {
- t.printStackTrace(ps);
- return false;
- }
- return true;
- }
-
- /**
- *
- * Note: This method returns a String if there's an error, or null if ok.
- * This unusual style is necessitated by the fact that any Exceptions thrown are likely to
- * be unlogged and hidden from view, making debugging almost impossible.
- *
- * @param writeto
- * @param up
- * @return
- */
- public static String updateUsers(String writeto, LocalLur up) {
- // Dump a Tomcat-user.xml lookalike (anywhere)
- if(writeto!=null) {
- // First read content
- ByteArrayOutputStream baos = new ByteArrayOutputStream();
- if(UsersDump.write(baos, up)) {
- byte[] postulate = baos.toByteArray();
- // now get contents of file
- File file = new File(writeto);
- boolean writeIt;
- if(file.exists()) {
- try {
- FileInputStream fis = new FileInputStream(file);
- byte[] orig = new byte[(int)file.length()];
- int read;
- try {
- read = fis.read(orig);
- } finally {
- fis.close();
- }
- if(read<=0) {
- writeIt = false;
- } else {
- // Starting at third "<" (<tomcat-users> line)
- int startA=0, startB=0;
- for(int i=0;startA<orig.length && i<3;++startA) if(orig[startA]=='<')++i;
- for(int i=0;startB<orig.length && i<3;++startB) if(postulate[startB]=='<')++i;
-
- writeIt=orig.length-startA!=postulate.length-startB; // first, check if remaining length is the same
- while(!writeIt && startA<orig.length && startB<postulate.length) {
- if(orig[startA++]!=postulate[startB++])writeIt = true;
- }
- }
- } catch (Exception e) {
- writeIt = true;
- }
- } else {
- writeIt = true;
- }
-
- if(writeIt) {
- try {
- FileOutputStream fos = new FileOutputStream(file);
- try {
- fos.write(postulate);
- } finally {
- fos.close();
- }
- } catch (IOException e) {
- return e.getMessage();
- }
- }
- }
- }
- return null; // no message means ok.
- }
+ ps.println("</tomcat-users>");
+ ps.flush();
+ } catch (Exception t) {
+ t.printStackTrace(ps);
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ *
+ * Note: This method returns a String if there's an error, or null if ok.
+ * This unusual style is necessitated by the fact that any Exceptions thrown are likely to
+ * be unlogged and hidden from view, making debugging almost impossible.
+ *
+ * @param writeto
+ * @param up
+ * @return
+ */
+ public static String updateUsers(String writeto, LocalLur up) {
+ // Dump a Tomcat-user.xml lookalike (anywhere)
+ if (writeto!=null) {
+ // First read content
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ if (UsersDump.write(baos, up)) {
+ byte[] postulate = baos.toByteArray();
+ // now get contents of file
+ File file = new File(writeto);
+ boolean writeIt;
+ if (file.exists()) {
+ try {
+ FileInputStream fis = new FileInputStream(file);
+ byte[] orig = new byte[(int)file.length()];
+ int read;
+ try {
+ read = fis.read(orig);
+ } finally {
+ fis.close();
+ }
+ if (read<=0) {
+ writeIt = false;
+ } else {
+ // Starting at third "<" (<tomcat-users> line)
+ int startA=0, startB=0;
+ for (int i=0;startA<orig.length && i<3;++startA) if (orig[startA]=='<')++i;
+ for (int i=0;startB<orig.length && i<3;++startB) if (postulate[startB]=='<')++i;
+
+ writeIt=orig.length-startA!=postulate.length-startB; // first, check if remaining length is the same
+ while (!writeIt && startA<orig.length && startB<postulate.length) {
+ if (orig[startA++]!=postulate[startB++])writeIt = true;
+ }
+ }
+ } catch (Exception e) {
+ writeIt = true;
+ }
+ } else {
+ writeIt = true;
+ }
+
+ if (writeIt) {
+ try {
+ FileOutputStream fos = new FileOutputStream(file);
+ try {
+ fos.write(postulate);
+ } finally {
+ fos.close();
+ }
+ } catch (IOException e) {
+ return e.getMessage();
+ }
+ }
+ }
+ }
+ return null; // no message means ok.
+ }
}