/**
* Copyright (C) 2012 JBoss Inc
*
* 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 org.jboss.dashboard.ui.taglib;
import org.jboss.dashboard.factory.Factory;
import org.jboss.dashboard.factory.FactoryWork;
import org.jboss.dashboard.ui.UIServices;
import org.jboss.dashboard.workspace.EnvelopesManager;
import org.jboss.dashboard.ui.components.URLMarkupGenerator;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.jsp.tagext.VariableInfo;
import java.io.IOException;
import java.util.List;
/**
*
*/
public class EnvelopeHeadTag extends TagSupport {
private boolean allowScripts = true;
private boolean allowPages = true;
private boolean allowEnvelopes = true;
private static transient org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(EnvelopeHeadTag.class.getName());
public static final String ENVELOPE_TOKEN = "envelopeHeadToken";
public static class TEI extends TagExtraInfo {
public VariableInfo[] getVariableInfo(TagData tagData) {
VariableInfo[] info = new VariableInfo[]{};
return info;
}
}
public int doStartTag() throws JspException {
Factory.doWork(new FactoryWork() { //In case this is called from a pure jsp...
public void doWork() {
pageContext.getRequest().setAttribute(ENVELOPE_TOKEN, Boolean.TRUE);
/*
// Removed due to incompatibilities with some charting libraries
try {
printBaseHref();
} catch (IOException e) {
log.error("Error: ", e);
}
*/
EnvelopesManager envelopesManager = null;
if (allowEnvelopes) {
envelopesManager = UIServices.lookup().getEnvelopesManager();
if (envelopesManager.getBeforeHeaderIncludePages() != null)
for (int i = 0; i < envelopesManager.getBeforeHeaderIncludePages().length; i++) {
String page = envelopesManager.getBeforeHeaderIncludePages()[i];
try {
pageContext.include(page);
} catch (ServletException e) {
log.error("Error including " + page + " : ", e);
} catch (IOException e) {
log.error("Error including " + page + " : ", e);
}
}
}
try {
if (allowScripts) {
pageContext.include(envelopesManager.getScriptsIncludePage());
}
} catch (ServletException e) {
log.error("Error including " + envelopesManager.getScriptsIncludePage() + " : ", e);
} catch (IOException e) {
log.error("Error including " + envelopesManager.getScriptsIncludePage() + " : ", e);
}
List headers;
if (allowPages) {
headers = envelopesManager.getHeaderPagesToInclude();
if (headers != null)
for (int i = 0; i < headers.size(); i++) {
String page = (String) headers.get(i);
try {
pageContext.include(page);
} catch (ServletException e) {
log.error("Error including " + page + " : ", e);
} catch (IOException e) {
log.error("Error including " + page + " : ", e);
}
}
}
}
});
return SKIP_BODY;
}
protected void printBaseHref() throws IOException {
URLMarkupGenerator urlMarkupGenerator = UIServices.lookup().getUrlMarkupGenerator();
ServletRequest request = pageContext.getRequest();
String baseHref = urlMarkupGenerator.getBaseHref(request);
StringBuffer sb = new StringBuffer();
sb.append("<base href=\"").append(baseHref).append("\">");
pageContext.getOut().println(sb);
}
public boolean isAllowScripts() {
return allowScripts;
}
public void setAllowScripts(boolean allowScripts) {
this.allowScripts = allowScripts;
}
public boolean isAllowPages() {
return allowPages;
}
public void setAllowPages(boolean allowPages) {
this.allowPages = allowPages;
}
public boolean isAllowEnvelopes() {
return allowEnvelopes;
}
public void setAllowEnvelopes(boolean allowEnvelopes) {
this.allowEnvelopes = allowEnvelopes;
}
}