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/*******************************************************************************
* ============LICENSE_START====================================================
* * org.onap.aaf
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* * ===========================================================================
* * 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 org.onap.aaf.xgen;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.ArrayList;
import org.onap.aaf.inno.env.APIException;
import org.onap.aaf.inno.env.Env;
import org.onap.aaf.inno.env.Trans;
import org.onap.aaf.xgen.html.State;
import org.onap.aaf.xgen.html.Thematic;
public abstract class CacheGen<G extends XGen<G>> {
public static final int NO_FLAGS = 0x0;
public final static int PRETTY = 0x1;
public final static int XML = 0x2;
public final static int HTML4 = 0x4;
public final static int HTML5 = 0x8;
private ArrayList<Section<G>> sections = new ArrayList<Section<G>>();
private int flags;
private final Thematic thematic;
public CacheGen(int flags, Code<G> code) throws APIException, IOException {
this.flags = flags;
final XGenBuff<G> buff = new XGenBuff<G>(flags,this);
// Run to gather Strings and Code Class Segments
buff.run(new Cache<G>() {
@Override
public void dynamic(G hgen, Code<G> code) {
sections.add(buff.newSection());
sections.add(new Dynamic(hgen.getIndent(),code));
}
},code);
sections.add(buff.newSection());
// If Code implements thematic, set for later
thematic = code instanceof Thematic?(Thematic)code:null;
}
public abstract G create(int htmlStyle, Writer w);
public void replay(State<Env> state, Trans trans, OutputStream os, String theme) throws IOException, APIException {
replay(state, trans, new OutputStreamWriter(os), theme);
}
public void replay(State<Env> state, Trans trans,Writer w, String theme) throws IOException, APIException {
if(thematic!=null) {
theme = thematic.themeResolve(theme);
}
/* Theme
trans.setTheme(theme);
int htmlStyle = state.htmlVer(theme);
*/
XGenBuff<G> buff = new XGenBuff<G>(flags,this);
// forward
int indent = 0;
Section<G> s;
int i=0;
@SuppressWarnings("unchecked")
Section<G>[] reverse = new Section[sections.size()];
for(Section<G> section : sections) {
s = section.use(state, trans, buff); // note, doesn't change cached, only dynamic, which is created for thread
int tempIndent = s.getIndent();
s.setIndent(indent);
s.forward(w);
s.setIndent(tempIndent);
indent = tempIndent;
reverse[i++]=s;
}
for(--i;i>=0;--i) {
reverse[i].back(w);
}
w.flush();
}
private class Dynamic extends Section<G> {
private Code<G> code;
public Dynamic(int indent, Code<G> code) {
this.code = code;
this.indent = indent;
}
@SuppressWarnings("unchecked")
public Section<G> use(State<Env> state, Trans trans, XGenBuff<G> buff) throws APIException, IOException {
// Clone Dynamic to make Thread Safe
Dynamic d = new Dynamic(indent,code);
buff.setIndent(indent);
if(code instanceof DynamicCode) {
buff.run(state,trans,Cache.Null.singleton(), (DynamicCode<G,?,? extends Trans>)code);
} else {
buff.run((Cache<G>)Cache.Null.singleton(), code);
}
Section<G> s = buff.newSection();
d.indent = s.indent;
d.forward = s.forward;
d.backward = s.backward;
return d;
}
}
}
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