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SoyViewResolver.java
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SoyViewResolver.java
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/*
* Copyright 2008-2011 the original author or authors.
*
* 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.
*/
package com.nominanuda.springsoy;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.ViewResolver;
import com.google.template.soy.tofu.SoyTofu;
import com.nominanuda.springsoy.SoyViewResolver.SoyView.LongToInt;
import com.nominanuda.web.http.HttpProtocol;
public class SoyViewResolver implements ViewResolver {
private SoySource soySource;
public View resolveViewName(String viewName, Locale locale)
throws Exception {
return new SoyView(viewName, soySource.getSoyTofu(locale.getLanguage()));
}
public void setSoySource(SoySource soySource) {
this.soySource = soySource;
}
public static class SoyView implements View {
private final SoyTofu tofu;
private final String name;
private static final LongToInt longToInt = new LongToInt();
public SoyView(String name, SoyTofu tofu) {
this.name = name;
this.tofu = tofu;
}
public String getContentType() {
return "text/html;charset=UTF-8";
}
public void render(Map<String, ?> model, HttpServletRequest request,
HttpServletResponse response) throws Exception {
byte[] b = tofu.newRenderer(name)
.setData(longToInt.longToInt((Map<String, Object>)model))
.render()
.getBytes(HttpProtocol.CS_UTF_8);
response.setContentType(getContentType());
response.setContentLength(b.length);
response.getOutputStream().write(b);
}
static class LongToInt {
public Map<String, ?> longToInt(Map<String, Object> m) {
for(Entry<String, Object> e : m.entrySet()) {
Object o = e.getValue();
e.setValue(o);
if(o != null) {
if(o instanceof Long) {
e.setValue(((Long) o).intValue());
} else if(o instanceof Map) {
longToInt((Map<String, Object>)o);
} else if(o instanceof List) {
longToInt((List<Object>)o);
}
}
}
return m;
}
public void longToInt(List<Object> l) {
int len = l.size();
for(int i = 0; i < len; i++) {
Object o = l.get(i);
if(o != null) {
if(o instanceof Long) {
l.set(i, ((Long)o).intValue());
} else if(o instanceof Map) {
longToInt((Map<String, Object>)o);
} else if(o instanceof List) {
longToInt((List<Object>)o);
}
}
}
}
}
}
}