net.sf.jasperreports.chrome.IsolatedPageCreator Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jasperreports Show documentation
Show all versions of jasperreports Show documentation
Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.chrome;
import java.lang.reflect.Method;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.github.kklisura.cdt.protocol.commands.Target;
import com.github.kklisura.cdt.services.ChromeDevToolsService;
import com.github.kklisura.cdt.services.ChromeService;
import com.github.kklisura.cdt.services.WebSocketService;
import com.github.kklisura.cdt.services.config.ChromeDevToolsServiceConfiguration;
import com.github.kklisura.cdt.services.exceptions.WebSocketServiceException;
import com.github.kklisura.cdt.services.impl.ChromeDevToolsServiceImpl;
import com.github.kklisura.cdt.services.impl.ChromeServiceImpl;
import com.github.kklisura.cdt.services.impl.WebSocketServiceImpl;
import com.github.kklisura.cdt.services.invocation.CommandInvocationHandler;
import com.github.kklisura.cdt.services.types.ChromeTab;
import com.github.kklisura.cdt.services.utils.ProxyUtils;
import net.sf.jasperreports.engine.JRRuntimeException;
/**
* @author Lucian Chirita ([email protected])
*/
public class IsolatedPageCreator implements PageCreator
{
private static final Log log = LogFactory.getLog(IsolatedPageCreator.class);
private static final IsolatedPageCreator INSTANCE = new IsolatedPageCreator();
public static IsolatedPageCreator instance()
{
return INSTANCE;
}
@Override
public T runInPage(ChromeInstanceHandle chromeInstance, Function tabAction)
{
return chromeInstance.runWithChromeInstance(chromeService ->
{
try(ChromeDevToolsServiceImpl browserDevToolsService = getBrowserDevToolsService(chromeService))
{
Target target = browserDevToolsService.getTarget();
String browserContextId = target.createBrowserContext();
try
{
if (log.isDebugEnabled())
{
log.debug("created browser context " + browserContextId);
}
String targetId = target.createTarget(ChromeServiceImpl.ABOUT_BLANK_PAGE,
null, null,
browserContextId,
null, null, null);
try
{
if (log.isDebugEnabled())
{
log.debug("created tab " + targetId);
}
ChromeTab tab = getTab(chromeService, targetId);
try(ChromeDevToolsService devToolsService = chromeService.createDevToolsService(tab))
{
return tabAction.apply(devToolsService);
}
}
finally
{
target.closeTarget(targetId);
if (log.isDebugEnabled())
{
log.debug("closed tab " + targetId);
}
}
}
finally
{
target.disposeBrowserContext(browserContextId);
if (log.isDebugEnabled())
{
log.debug("disposed browser context " + browserContextId);
}
}
}
});
}
protected ChromeTab getTab(ChromeService chromeService, String tabId)
{
ChromeTab tab = null;
for (ChromeTab chromeTab : chromeService.getTabs())
{
if (tabId.equals(chromeTab.getId()))
{
tab = chromeTab;
break;
}
}
if (tab == null)
{
throw new JRRuntimeException("Did not find Chrome tab " + tabId);
}
return tab;
}
protected ChromeDevToolsServiceImpl getBrowserDevToolsService(ChromeService chromeService)
{
try
{
ChromeDevToolsServiceConfiguration devToolsServiceConfiguration =
new ChromeDevToolsServiceConfiguration();
//TODO lucian cache url or service?
String browserWSUrl = chromeService.getVersion().getWebSocketDebuggerUrl();
WebSocketService wsService = WebSocketServiceImpl.create(new URI(browserWSUrl));
CommandInvocationHandler invocationHandler = new CommandInvocationHandler();
Map cache = new ConcurrentHashMap<>();
ChromeDevToolsServiceImpl devToolsService = ProxyUtils.createProxyFromAbstract(
ChromeDevToolsServiceImpl.class,
new Class[] {WebSocketService.class, ChromeDevToolsServiceConfiguration.class},
new Object[] {wsService, devToolsServiceConfiguration},
(proxy, method, args) -> cache.computeIfAbsent(method,
key -> ProxyUtils.createProxy(method.getReturnType(), invocationHandler)
));
invocationHandler.setChromeDevToolsService(devToolsService);
return devToolsService;
}
catch (WebSocketServiceException | URISyntaxException e)
{
throw new JRRuntimeException(e);
}
}
}