diff options
Diffstat (limited to 'xgen/src/main/java/com/att/xgen/XGen.java')
| -rw-r--r-- | xgen/src/main/java/com/att/xgen/XGen.java | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/xgen/src/main/java/com/att/xgen/XGen.java b/xgen/src/main/java/com/att/xgen/XGen.java new file mode 100644 index 0000000..1ca6f46 --- /dev/null +++ b/xgen/src/main/java/com/att/xgen/XGen.java @@ -0,0 +1,298 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aai
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * Copyright © 2017 Amdocs
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ * * http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ * * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package com.att.xgen;
+
+import java.io.PrintWriter;
+import java.io.Writer;
+import java.util.Stack;
+
+import com.att.inno.env.util.IndentPrintWriter;
+import com.att.inno.env.util.StringBuilderWriter;
+
+public class XGen<RT extends XGen<RT>> {
+
+ public static int COMMENT_COLUMN = 40;
+ private StringBuilder backSB = new StringBuilder();
+ private Stack<Back> backStack = new Stack<Back>();
+
+ protected XGen(Writer w) {
+ forward = new IndentPrintWriter(w);
+ }
+
+ public int pushBack(Back b) {
+ int rv = backStack.size();
+ backStack.push(b);
+ return rv;
+ }
+
+ public boolean pretty = false;
+ protected IndentPrintWriter forward;
+
+ public IndentPrintWriter getWriter() {
+ return forward;
+ }
+
+ protected PrintWriter back = new PrintWriter(
+ new StringBuilderWriter(backSB));
+
+ @SuppressWarnings("unchecked")
+ public RT pretty() {
+ pretty = true;
+ return (RT) this;
+ }
+
+ protected void prettyln(PrintWriter pw) {
+ if(pretty)pw.println();
+ }
+
+ public RT leaf(Mark mark, String tag, String ... args) {
+ mark.spot = backStack.size();
+ return leaf(tag, args);
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT leaf(String tag, String ... attrs) {
+ forward.append('<');
+ forward.append(tag);
+ addAttrs(attrs);
+ forward.append('>');
+ back.append("</");
+ back.append(tag);
+ back.append('>');
+ backStack.push(new Back(backSB.toString(), false, true));
+ backSB.setLength(0);
+ return (RT)this;
+ }
+
+ public RT incr(String tag, String ... args) {
+ return incr(null, tag, false, args);
+ }
+
+ public RT incr(String tag, boolean oneLine, String ... args) {
+ return incr(null, tag, oneLine, args);
+ }
+
+ public RT incr(Mark mark) {
+ return incr(mark,mark.comment, false, new String[0]);
+ }
+
+ public RT incr(Mark mark, String tag, String ... attrs) {
+ return incr(mark, tag, false, attrs);
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT incr(Mark mark, String tag, boolean oneLine, String ... attrs) {
+ forward.append('<');
+ forward.append(tag);
+ addAttrs(attrs);
+ forward.append('>');
+
+ back.append("</");
+ back.append(tag);
+ back.append('>');
+
+ if(pretty) {
+ if(mark!=null && mark.comment!=null) {
+ int fi = forward.getIndent()*IndentPrintWriter.INDENT;
+ for(int i = fi+backSB.length();i<=COMMENT_COLUMN;++i) {
+ back.append(' ');
+ }
+ back.append("<!-- end ");
+ back.append(mark.comment);
+ back.append(" -->");
+
+ forward.toCol(COMMENT_COLUMN);
+ forward.append("<!-- begin ");
+ forward.append(mark.comment);
+ forward.append(" -->");
+ }
+ forward.inc();
+ if(!oneLine) {
+ forward.println();
+ }
+ back.println();
+ }
+ if(mark!=null)mark.spot = backStack.size();
+ backStack.push(new Back(backSB.toString(),true, false));
+ backSB.setLength(0);
+ return (RT)this;
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT tagOnly(String tag, String ... attrs) {
+ forward.append('<');
+ forward.append(tag);
+ addAttrs(attrs);
+ forward.append(" />");
+ if(pretty) {
+ forward.println();
+ }
+ return (RT)this;
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT text(String txt) {
+ forward.append(txt);
+ return (RT)this;
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT xml(String txt) {
+ for(int i=0; i<txt.length();++i) {
+ char c = txt.charAt(i);
+ switch(c) {
+ case '<':
+ forward.append("<");
+ break;
+ case '>':
+ forward.append(">");
+ break;
+ case '&':
+ forward.append("&");
+ break;
+ default:
+ forward.append(c);
+ }
+ }
+ return (RT)this;
+ }
+
+
+ @SuppressWarnings("unchecked")
+ public RT textCR(int tabs, String txt) {
+ for(int i=0;i<tabs;++i) {
+ forward.append(" ");
+ }
+ forward.append(txt);
+ if(pretty)forward.println();
+ return (RT)this;
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT value() {
+ Mark mark = new Mark();
+ mark.spot = backStack.size()-1;
+ end(mark);
+ return (RT)this;
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT value(String txt) {
+ forward.append(txt);
+ Mark mark = new Mark();
+ mark.spot = backStack.size()-1;
+ end(mark);
+ return (RT)this;
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT value(String txt, int levels) {
+ forward.append(txt);
+ Mark mark = new Mark();
+ mark.spot = backStack.size()-levels;
+ end(mark);
+ return (RT)this;
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT end(Mark mark) {
+ int size = backStack.size();
+ Back c;
+ boolean println = false;
+ for(int i=mark==null?0:mark.spot;i<size;++i) {
+ c = backStack.pop();
+ if(c.dec)forward.dec();
+ forward.append(c.str);
+ println = c.cr;
+ }
+ if(pretty && println) {
+ forward.println();
+ }
+ return (RT)this;
+ }
+
+ public RT end() {
+ Mark mark = new Mark();
+ mark.spot=backStack.size()-1;
+ if(mark.spot<0)mark.spot=0;
+ return end(mark);
+ }
+
+ public RT end(int i) {
+ Mark mark = new Mark();
+ mark.spot=backStack.size()-i;
+ if(mark.spot<0)mark.spot=0;
+ return end(mark);
+ }
+
+ public void endAll() {
+ end(new Mark());
+ forward.flush();
+ }
+
+ protected void addAttrs(String[] attrs) {
+ if(attrs!=null) {
+ for(String attr : attrs) {
+ if(attr!=null && attr.length()>0) {
+ forward.append(' ');
+ String[] split = attr.split("=",2);
+ switch(split.length) {
+ case 0:
+ break;
+ case 1:
+ forward.append(split[0]);
+// forward.append("=\"\"");
+ break;
+ default:
+ forward.append(split[0]);
+ forward.append("=\"");
+ forward.append(split[1]);
+ forward.append('"');
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ public RT comment(String string) {
+ if(pretty) {
+ forward.print("<!-- ");
+ forward.print(string);
+ forward.println(" -->");
+ }
+ return (RT)this;
+ }
+
+ public void setIndent(int indent) {
+ forward.setIndent(indent);
+ forward.toIndent();
+ }
+
+ public int getIndent() {
+ return forward.getIndent();
+ }
+
+}
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