spring-boot-admin源码分析及单机监控spring-boot-monitor的实现（二）_springboot admin源码

spring-boot-admin源码分析及单机监控spring-boot-monitor的实现（一）

spring-boot-admin源码分析及单机监控spring-boot-monitor的实现（二）

package com.cff.boot.monitor.config;
 
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Configuration;
 
@Configuration
@EnableConfigurationProperties(MonitorProperties.class)
public class MonitorConfiguration {
	private final MonitorProperties monitorProperties;
 
    public MonitorConfiguration(MonitorProperties monitorProperties) {
        this.monitorProperties = monitorProperties;
    }
 
}

package com.cff.boot.monitor.config;
 
import org.springframework.boot.context.properties.ConfigurationProperties;
 
@ConfigurationProperties("spring.boot.monitor")
public class MonitorProperties {
	private String contextPath = "/sbim";
	private String username = "";
	private String password = "";
	public String getContextPath() {
		return contextPath;
	}
	
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	
	
}

package com.cff.boot.monitor.config;
 
import java.util.List;
import java.util.Map;
 
import org.springframework.beans.BeansException;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.web.ServerProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 
import com.cff.boot.monitor.model.AppInfo;
import com.cff.boot.monitor.resolver.UrlFilteringResourceResolver;
import com.cff.boot.monitor.store.SimpleAppInfoStore;
import com.cff.boot.monitor.web.RestApiController;
import com.fasterxml.jackson.databind.ObjectMapper;
 
@Configuration
@AutoConfigureAfter({MonitorConfiguration.class})
public class MonitorWebConfiguration extends WebMvcConfigurerAdapter
implements ApplicationContextAware{
	private final ApplicationEventPublisher publisher;
	private final ServerProperties server;
	private final ResourcePatternResolver resourcePatternResolver;
	private final MonitorProperties monitorProperties;
	private ApplicationContext applicationContext;
 
	public MonitorWebConfiguration(ApplicationEventPublisher publisher, ServerProperties server,
			ResourcePatternResolver resourcePatternResolver,
			MonitorProperties monitorProperties) {
		this.publisher = publisher;
		this.server = server;
		this.resourcePatternResolver = resourcePatternResolver;
		this.monitorProperties = monitorProperties;
	}
	
	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		this.applicationContext = applicationContext;
	}
	
	
	@Override
	public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
		if (!hasConverter(converters, MappingJackson2HttpMessageConverter.class)) {
			ObjectMapper objectMapper = Jackson2ObjectMapperBuilder.json()
					.applicationContext(this.applicationContext).build();
			converters.add(new MappingJackson2HttpMessageConverter(objectMapper));
		}
	}
 
	private boolean hasConverter(List<HttpMessageConverter<?>> converters,
			Class<? extends HttpMessageConverter<?>> clazz) {
		for (HttpMessageConverter<?> converter : converters) {
			if (clazz.isInstance(converter)) {
				return true;
			}
		}
		return false;
	}
 
	@Override
	public void addResourceHandlers(ResourceHandlerRegistry registry) {
		System.out.println("路径：" + monitorProperties.getContextPath());
		registry.addResourceHandler(monitorProperties.getContextPath() + "/**")
				.addResourceLocations("classpath:/META-INF/spring-boot-monitor-ui/")
				.resourceChain(true)
				.addResolver(new UrlFilteringResourceResolver(".min"));
	}
 
	@Override
	public void addViewControllers(ViewControllerRegistry registry) {
		String contextPath = monitorProperties.getContextPath();
		if (StringUtils.hasText(contextPath)) {
			registry.addRedirectViewController(contextPath, server.getPath(contextPath) + "/");
		}
		registry.addViewController(contextPath + "/").setViewName("forward:login.html");
	}
	
	@Bean
    @ConditionalOnMissingBean
    public SimpleAppInfoStore appInfoStore() {
    	SimpleAppInfoStore simpleAppInfoStore = new SimpleAppInfoStore();
    	String appId = applicationContext.getId();
    	String appName = appId.substring(0, appId.indexOf(":"));
    	String appInfo = appId;
    	String appStatus = "UP";
    	AppInfo app = new AppInfo(appName,"",appInfo,appStatus);
    	simpleAppInfoStore.addApp(app);
        return simpleAppInfoStore;
    }
	
	@Bean
	@ConditionalOnMissingBean
	public RestApiController restApiController(SimpleAppInfoStore simpleAppInfoStore) {
		return new RestApiController(monitorProperties,simpleAppInfoStore);
	}
}

/*
 * Copyright 2014 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.cff.boot.monitor.resolver;
 
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
 
import javax.servlet.http.HttpServletRequest;
 
import org.springframework.core.io.Resource;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.resource.AbstractResourceResolver;
import org.springframework.web.servlet.resource.ResourceResolver;
import org.springframework.web.servlet.resource.ResourceResolverChain;
 
/**
 * {@link ResourceResolver} which is looking for minified version of resources.
 *
 * @author Johannes Edmeier
 */
public class UrlFilteringResourceResolver extends AbstractResourceResolver {
	private final String extensionPrefix;
 
	public UrlFilteringResourceResolver(String extensionPrefix) {
		this.extensionPrefix = extensionPrefix;
	}
 
	@Override
	protected Resource resolveResourceInternal(HttpServletRequest request, String requestPath,
			List<? extends Resource> locations, ResourceResolverChain chain) {
		List<Resource> newLocations = new ArrayList<>(locations.size());
		for (Resource location : locations) {
			Resource minified = findMinified(location);
			newLocations.add(minified != null ? minified : location);
		}
 
		return chain.resolveResource(request, requestPath, newLocations);
	}
 
	private Resource findMinified(Resource resource) {
		try {
			String basename = StringUtils.stripFilenameExtension(resource.getFilename());
			String extension = StringUtils.getFilenameExtension(resource.getFilename());
			Resource minified = resource
					.createRelative(basename + extensionPrefix + '.' + extension);
			if (minified.exists()) {
				if (logger.isDebugEnabled()) {
					logger.debug("Found minified file for '" + resource.getFilename() + "': '"
							+ minified.getFilename() + "'");
				}
				return minified;
			}
		} catch (IOException ex) {
			logger.trace("No minified resource for [" + resource.getFilename() + "]", ex);
		}
		return null;
	}
 
	@Override
	protected String resolveUrlPathInternal(String resourceUrlPath,
			List<? extends Resource> locations, ResourceResolverChain chain) {
		return chain.resolveUrlPath(resourceUrlPath, locations);
	}
 
}