diff options
Diffstat (limited to 'framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl')
2 files changed, 98 insertions, 0 deletions
diff --git a/framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigLoader.java b/framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigLoader.java new file mode 100644 index 00000000..6678db27 --- /dev/null +++ b/framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigLoader.java @@ -0,0 +1,74 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * 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.onosproject.cfg.impl; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.apache.felix.scr.annotations.Activate; +import org.apache.felix.scr.annotations.Component; +import org.apache.felix.scr.annotations.Reference; +import org.apache.felix.scr.annotations.ReferenceCardinality; +import org.onosproject.cfg.ComponentConfigService; +import org.slf4j.Logger; + +import java.io.File; + +import static org.slf4j.LoggerFactory.getLogger; + +/** + * Component responsible for automatically loading configuration file from + * configuration directory. + */ +@Component(immediate = true) +public class ComponentConfigLoader { + + private static final String CFG_JSON = "../config/component-cfg.json"; + static File cfgFile = new File(CFG_JSON); + + private final Logger log = getLogger(getClass()); + + @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) + protected ComponentConfigService configService; + + private ObjectNode root; + + @Activate + protected void activate() { + this.loadConfigs(); + log.info("Started"); + } + + // Loads the configurations for each component from the file in + // ../config/component-cfg.json, using the preSetProperty method. + private void loadConfigs() { + try { + if (cfgFile.exists()) { + root = (ObjectNode) new ObjectMapper().readTree(cfgFile); + root.fieldNames(). + forEachRemaining(component -> root.path(component).fieldNames() + .forEachRemaining(k -> configService + .preSetProperty(component, k, + root.path(component).path(k) + .asText()))); + log.info("Loaded initial component configuration from {}", cfgFile); + } + } catch (Exception e) { + log.warn("Unable to load initial component configuration from {}", + cfgFile, e); + } + } +} diff --git a/framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java b/framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java index 1933ee55..b3b22c76 100644 --- a/framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java +++ b/framework/src/onos/core/net/src/main/java/org/onosproject/cfg/impl/ComponentConfigManager.java @@ -61,6 +61,9 @@ public class ComponentConfigManager implements ComponentConfigService { private static final String COMPONENT_NULL = "Component name cannot be null"; private static final String PROPERTY_NULL = "Property name cannot be null"; + private static final String COMPONENT_MISSING = "Component %s is not registered"; + private static final String PROPERTY_MISSING = "Property %s does not exist for %s"; + //Symbolic constants for use with the accumulator private static final int MAX_ITEMS = 100; @@ -160,6 +163,22 @@ public class ComponentConfigManager implements ComponentConfigService { checkNotNull(componentName, COMPONENT_NULL); checkNotNull(name, PROPERTY_NULL); + + checkArgument(properties.containsKey(componentName), + COMPONENT_MISSING, componentName); + checkArgument(properties.get(componentName).containsKey(name), + PROPERTY_MISSING, name, componentName); + store.setProperty(componentName, name, value); + } + + @Override + public void preSetProperty(String componentName, String name, String value) { + + checkPermission(CONFIG_WRITE); + + checkNotNull(componentName, COMPONENT_NULL); + checkNotNull(name, PROPERTY_NULL); + store.setProperty(componentName, name, value); } @@ -169,6 +188,11 @@ public class ComponentConfigManager implements ComponentConfigService { checkNotNull(componentName, COMPONENT_NULL); checkNotNull(name, PROPERTY_NULL); + + checkArgument(properties.containsKey(componentName), + COMPONENT_MISSING, componentName); + checkArgument(properties.get(componentName).containsKey(name), + PROPERTY_MISSING, name, componentName); store.unsetProperty(componentName, name); } |