componentconfig.java

Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

        elementIter = UtilXml.childElementList(ofbizComponentElement, "classpath").iterator();
        while (elementIter.hasNext()) {
            Element curElement = (Element) elementIter.next();
            ClasspathInfo classpathInfo = new ClasspathInfo(this, curElement);
            this.classpathInfos.add(classpathInfo);
        }

        // entity-resource - entityResourceInfos
        elementIter = UtilXml.childElementList(ofbizComponentElement, "entity-resource").iterator();
        while (elementIter.hasNext()) {
            Element curElement = (Element) elementIter.next();
            EntityResourceInfo entityResourceInfo = new EntityResourceInfo(this, curElement);
            this.entityResourceInfos.add(entityResourceInfo);
        }

        // service-resource - serviceResourceInfos
        elementIter = UtilXml.childElementList(ofbizComponentElement, "service-resource").iterator();
        while (elementIter.hasNext()) {
            Element curElement = (Element) elementIter.next();
            ServiceResourceInfo serviceResourceInfo = new ServiceResourceInfo(this, curElement);
            this.serviceResourceInfos.add(serviceResourceInfo);
        }

        // webapp - webappInfos
        elementIter = UtilXml.childElementList(ofbizComponentElement, "webapp").iterator();
        while (elementIter.hasNext()) {
            Element curElement = (Element) elementIter.next();
            WebappInfo webappInfo = new WebappInfo(this, curElement);
            this.webappInfos.add(webappInfo);
        }

        if (Debug.verboseOn()) Debug.logVerbose("Read component config : [" + rootLocation + "]", module);
    }

    public boolean isFileResource(ResourceInfo resourceInfo) throws ComponentException {
        return isFileResourceLoader(resourceInfo.loader);
    }
    public boolean isFileResourceLoader(String resourceLoaderName) throws ComponentException {
        ResourceLoaderInfo resourceLoaderInfo = (ResourceLoaderInfo) resourceLoaderInfos.get(resourceLoaderName);
        if (resourceLoaderInfo == null) {
            throw new ComponentException("Could not find resource-loader named: " + resourceLoaderName);
        }
        return "file".equals(resourceLoaderInfo.type) || "component".equals(resourceLoaderInfo.type);
    }

    public InputStream getStream(String resourceLoaderName, String location) throws ComponentException {
        URL url = getURL(resourceLoaderName, location);
        try {
            return url.openStream();
        } catch (java.io.IOException e) {
            throw new ComponentException("Error opening resource at location [" + url.toExternalForm() + "]", e);
        }
    }

    public URL getURL(String resourceLoaderName, String location) throws ComponentException {
        ResourceLoaderInfo resourceLoaderInfo = (ResourceLoaderInfo) resourceLoaderInfos.get(resourceLoaderName);
        if (resourceLoaderInfo == null) {
            throw new ComponentException("Could not find resource-loader named: " + resourceLoaderName);
        }

        if ("component".equals(resourceLoaderInfo.type) || "file".equals(resourceLoaderInfo.type)) {
            String fullLocation = getFullLocation(resourceLoaderName, location);
            URL fileUrl = UtilURL.fromFilename(fullLocation);
            if (fileUrl == null) {
                throw new ComponentException("File Resource not found: " + fullLocation);
            }
            return fileUrl;
        } else if ("classpath".equals(resourceLoaderInfo.type)) {
            String fullLocation = getFullLocation(resourceLoaderName, location);
            URL url = UtilURL.fromResource(fullLocation);
            if (url == null) {
                throw new ComponentException("Classpath Resource not found: " + fullLocation);
            }
            return url;
        } else if ("url".equals(resourceLoaderInfo.type)) {
            String fullLocation = getFullLocation(resourceLoaderName, location);
            URL url = null;
            try {
                url = new URL(fullLocation);
            } catch (java.net.MalformedURLException e) {
                throw new ComponentException("Error with malformed URL while trying to load URL resource at location [" + fullLocation + "]", e);
            }
            if (url == null) {
                throw new ComponentException("URL Resource not found: " + fullLocation);
            }
            return url;
        } else {
            throw new ComponentException("The resource-loader type is not recognized: " + resourceLoaderInfo.type);
        }
    }

    public String getFullLocation(String resourceLoaderName, String location) throws ComponentException {
        ResourceLoaderInfo resourceLoaderInfo = (ResourceLoaderInfo) resourceLoaderInfos.get(resourceLoaderName);
        if (resourceLoaderInfo == null) {
            throw new ComponentException("Could not find resource-loader named: " + resourceLoaderName);
        }

        StringBuffer buf = new StringBuffer();

        // pre-pend component root location if this is a type component resource-loader
        if ("component".equals(resourceLoaderInfo.type)) {
            buf.append(rootLocation);
        }

        if (resourceLoaderInfo.prependEnv != null && resourceLoaderInfo.prependEnv.length() > 0) {
            String propValue = System.getProperty(resourceLoaderInfo.prependEnv);
            if (propValue == null) {
                String errMsg = "The Java environment (-Dxxx=yyy) variable with name " + resourceLoaderInfo.prependEnv + " is not set, cannot load resource.";
                Debug.logError(errMsg, module);
                throw new IllegalArgumentException(errMsg);
            }
            buf.append(propValue);
        }
        if (resourceLoaderInfo.prefix != null && resourceLoaderInfo.prefix.length() > 0) {
            buf.append(resourceLoaderInfo.prefix);
        }
        buf.append(location);
        return buf.toString();
    }

    public List getClasspathInfos() {
        return classpathInfos;
    }

    public String getComponentName() {
        return componentName;
    }

    public List getEntityResourceInfos() {
        return entityResourceInfos;
    }

    public String getGlobalName() {
        return globalName;
    }

    public Map getResourceLoaderInfos() {
        return resourceLoaderInfos;
    }

    public String getRootLocation() {
        return rootLocation;
    }

    public List getServiceResourceInfos() {
        return serviceResourceInfos;
    }

    public List getWebappInfos() {
        return webappInfos;
    }

    public boolean enabled() {
        return enabled;
    }

    public static class ResourceLoaderInfo {
        public String name;
        public String type;
        public String prependEnv;
        public String prefix;

        public ResourceLoaderInfo(Element element) {
            this.name = element.getAttribute("name");
            this.type = element.getAttribute("type");
            this.prependEnv = element.getAttribute("prepend-env");
            this.prefix = element.getAttribute("prefix");
        }
    }

    public static class ResourceInfo {
        public ComponentConfig componentConfig;
        public String loader;
        public String location;

        public ResourceInfo(ComponentConfig componentConfig, Element element) {
            this.componentConfig = componentConfig;
            this.loader = element.getAttribute("loader");
            this.location = element.getAttribute("location");
        }

        public ComponentResourceHandler createResourceHandler() {
            return new ComponentResourceHandler(componentConfig.getGlobalName(), loader, location);
    	}
    }

    public static class ClasspathInfo {
        public ComponentConfig componentConfig;
        public String type;
        public String location;

        public ClasspathInfo(ComponentConfig componentConfig, Element element) {
            this.componentConfig = componentConfig;
            this.type = element.getAttribute("type");
            this.location = element.getAttribute("location");
        }
    }

    public static class EntityResourceInfo extends ResourceInfo {
        public String type;
        public String readerName;

        public EntityResourceInfo(ComponentConfig componentConfig, Element element) {
            super(componentConfig, element);
            this.type = element.getAttribute("type");
            this.readerName = element.getAttribute("reader-name");
        }
    }

    public static class ServiceResourceInfo extends ResourceInfo {
        public String type;

        public ServiceResourceInfo(ComponentConfig componentConfig, Element element) {
            super(componentConfig, element);
            this.type = element.getAttribute("type");
        }
    }

    public static class WebappInfo {
        public ComponentConfig componentConfig;
        public List virtualHosts;
        public Map initParameters;
        public String name;
        public String title;
        public String server;
        public String mountPoint;
        public String location;
        public String[] basePermission;
        public boolean appBarDisplay;

        public WebappInfo(ComponentConfig componentConfig, Element element) {
        	this.virtualHosts = FastList.newInstance();
            this.initParameters = FastMap.newInstance();
            this.componentConfig = componentConfig;
            this.name = element.getAttribute("name");
            this.title = element.getAttribute("title");
            this.server = element.getAttribute("server");
            this.mountPoint = element.getAttribute("mount-point");
            this.location = element.getAttribute("location");
            this.appBarDisplay = !"false".equals(element.getAttribute("app-bar-display"));
            String basePermStr = element.getAttribute("base-permission");
            if (UtilValidate.isNotEmpty(basePermStr)) {
                this.basePermission = basePermStr.split(",");
            } else {
                // default base permission is NONE
                this.basePermission = new String[] { "NONE" };
            }

            // trim the permussions (remove spaces)
            for (int i = 0; i < this.basePermission.length; i++) {
                this.basePermission[i] = this.basePermission[i].trim();
                if (this.basePermission[i].indexOf('_') != -1) {
                    this.basePermission[i] = this.basePermission[i].substring(0, this.basePermission[i].indexOf('_'));
                }
            }

            // default title is name w/ upper-cased first letter
            if (UtilValidate.isEmpty(this.title)) {
                this.title = Character.toUpperCase(name.charAt(0)) + name.substring(1).toLowerCase();
            }

            // default mount point is name if none specified
            if (UtilValidate.isEmpty(this.mountPoint)) {
                this.mountPoint = this.name;
            }

            // check the mount point and make sure it is properly formatted
            if (!"/".equals(this.mountPoint)) {
                if (!this.mountPoint.startsWith("/")) {
                    this.mountPoint = "/" + this.mountPoint;
                }
                if (!this.mountPoint.endsWith("/*")) {
                    if (!this.mountPoint.endsWith("/")) {
                        this.mountPoint = this.mountPoint + "/";
                    }
                    this.mountPoint = this.mountPoint + "*";
                }
            }

            // load the virtual hosts
            List virtHostList = UtilXml.childElementList(element, "virtual-host");
            if (virtHostList != null && virtHostList.size() > 0) {
                Iterator elementIter = virtHostList.iterator();
                while (elementIter.hasNext()) {
                    Element e = (Element) elementIter.next();
                    virtualHosts.add(e.getAttribute("host-name"));
                }
            }

            // load the init parameters
            List initParamList = UtilXml.childElementList(element, "init-param");
            if (initParamList != null && initParamList.size() > 0) {
                Iterator elementIter = initParamList.iterator();
                while (elementIter.hasNext()) {
                    Element e = (Element) elementIter.next();
                    this.initParameters.put(e.getAttribute("name"), e.getAttribute("value"));
                }
            }
        }

        public String getContextRoot() {
            if (mountPoint.endsWith("/*")) {
                return mountPoint.substring(0, mountPoint.length() - 2);
            }
            return mountPoint;
        }

        public String[] getBasePermission() {
            return this.basePermission;
        }

        public String getName() {
            return name;
        }

        public String getLocation() {
            return componentConfig.getRootLocation() + location;
        }

        public String getTitle() {
            return title;
        }

        public List getVirtualHosts() {
        	return virtualHosts;
        }

        public Map getInitParameters() {
            return initParameters;
        }
    }
}