diff options
Diffstat (limited to 'rosetta/src/main/java/com/att/rosetta/Saved.java')
| -rw-r--r-- | rosetta/src/main/java/com/att/rosetta/Saved.java | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/rosetta/src/main/java/com/att/rosetta/Saved.java b/rosetta/src/main/java/com/att/rosetta/Saved.java new file mode 100644 index 0000000..bc7e106 --- /dev/null +++ b/rosetta/src/main/java/com/att/rosetta/Saved.java @@ -0,0 +1,195 @@ +/*******************************************************************************
+ * ============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.rosetta;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.Writer;
+import java.util.List;
+
+import com.att.inno.env.Env;
+import com.att.inno.env.TimeTaken;
+import com.att.rosetta.Saved.State;
+
+/**
+ * An Out Object that will save off produced Parsed Stream and
+ * a Parse (In) Object that will reproduce Parsed Stream on demand
+ *
+ *
+ */
+public class Saved extends Out implements Parse<Reader, State>{
+ private static final String ROSETTA_SAVED = "Rosetta Saved";
+ private final static int INIT_SIZE=128;
+ private Content content[];
+ private int idx;
+ private boolean append = false;
+
+ /**
+ * Read from Parsed Stream and save
+ */
+ // @Override
+ public<IN,S> void extract(IN in, Writer ignore, Parse<IN,S> parser, boolean ... options) throws IOException, ParseException {
+ Parsed<S> p = parser.newParsed();
+ if(!append) {
+ // reuse array if not too big
+ if(content==null||content.length>INIT_SIZE*3) {
+ content = new Content[INIT_SIZE];
+ idx = -1;
+ } else do {
+ content[idx]=null;
+ } while(--idx>=0);
+ }
+
+ // Note: idx needs to be -1 on initialization and no appendages
+ while((p = parser.parse(in,p.reuse())).valid()) {
+ if(!(append && (p.event==START_DOC || p.event==END_DOC))) { // skip any start/end of document in appendages
+ if(++idx>=content.length) {
+ Content temp[] = new Content[content.length*2];
+ System.arraycopy(content, 0, temp, 0, idx);
+ content = temp;
+ }
+ content[idx]= new Content(p);
+ }
+ }
+ }
+
+ // @Override
+ public Parsed<State> parse(Reader ignore, Parsed<State> parsed) throws ParseException {
+ int i;
+ if((i=parsed.state.count++)<=idx)
+ content[i].load(parsed);
+ else
+ parsed.event = Parse.NONE;
+ return parsed;
+ }
+
+ public Content[] cut(char event, int count) {
+ append = true;
+ for(int i=idx;i>=0;--i) {
+ if(content[i].event==event) count--;
+ if(count==0) {
+ Content[] appended = new Content[idx-i+1];
+ System.arraycopy(content, i, appended, 0, appended.length);
+ idx = i-1;
+ return appended;
+ }
+ }
+ return new Content[0];
+ }
+
+ public void paste(Content[] appended) {
+ if(appended!=null) {
+ if(idx+appended.length>content.length) {
+ Content temp[] = new Content[content.length*2];
+ System.arraycopy(content, 0, temp, 0, idx);
+ content = temp;
+ }
+ System.arraycopy(appended,0,content,idx+1,appended.length);
+ idx+=appended.length;
+ }
+ this.append = false;
+ }
+
+ public static class State {
+ public int count = 0;
+ }
+
+ public static class Content {
+ private boolean isString;
+ private char event;
+ private String name;
+ private List<Prop> props;
+ private String str;
+
+ public Content(Parsed<?> p) {
+ isString = p.isString;
+ event = p.event;
+ name = p.name;
+ // avoid copying, because most elements don't have content
+ // Cannot set to "equals", because sb ends up being cleared (and reused)
+ str = p.sb.length()==0?null:p.sb.toString();
+ }
+
+ public void load(Parsed<State> p) {
+ p.isString = isString;
+ p.event = event;
+ p.name = name;
+ if(str!=null)
+ p.sb.append(str);
+ }
+
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+ sb.append(event);
+ sb.append(" - ");
+ sb.append(name);
+ sb.append(": ");
+ if(isString)sb.append('"');
+ sb.append(str);
+ if(isString)sb.append('"');
+ sb.append(' ');
+ if(props!=null) {
+ boolean comma = false;
+ for(Prop prop : props) {
+ if(comma)sb.append(',');
+ else comma = true;
+ sb.append(prop.tag);
+ sb.append('=');
+ sb.append(prop.value);
+ }
+ }
+ return sb.toString();
+ }
+ }
+
+ //// @Override
+ public Parsed<State> newParsed() {
+ Parsed<State> ps = new Parsed<State>(new State());
+ return ps;
+ }
+
+ /**
+ * Convenience function
+ * @param rdr
+ * @param in
+ * @throws IOException
+ * @throws ParseException
+ */
+ public<IN,S> void load(IN in, Parse<IN, S> parser) throws IOException, ParseException {
+ extract(in,(Writer)null, parser);
+ }
+
+
+ // @Override
+ public TimeTaken start(Env env) {
+ return env.start(ROSETTA_SAVED, 0);
+ }
+
+ @Override
+ public String logName() {
+ return ROSETTA_SAVED;
+ }
+
+
+}
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