INT-740 Added FileWritingMessageHandlerFactoryBean

org.springframework.integration.file/src/main/java/org/springframework/integration/file/config/FileWritingMessageHandlerBeanDefinitionBuilder.java

@@ -42,12 +42,9 @@ abstract class FileWritingMessageHandlerBeanDefinitionBuilder {
 		if (!StringUtils.hasText(directory)) {
 			parserContext.getReaderContext().error("directory is required", element);
 		}
-		if (directory.indexOf(':') == -1) {
-			directory = "file:" + directory;
-		}
 		BeanDefinitionBuilder builder = BeanDefinitionBuilder
-				.genericBeanDefinition("org.springframework.integration.file.FileWritingMessageHandler");
-		builder.addConstructorArgValue(directory);
+				.genericBeanDefinition("org.springframework.integration.file.config.FileWritingMessageHandlerFactoryBean");
+		builder.addPropertyValue("directory", directory);
 		if (StringUtils.hasText(outputChannelBeanName)) {
 			builder.addPropertyReference("outputChannel", outputChannelBeanName);
 		}

org.springframework.integration.file/src/main/java/org/springframework/integration/file/config/FileWritingMessageHandlerFactoryBean.java

@@ -0,0 +1,175 @@
+/*
+ * Copyright 2002-2009 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 org.springframework.integration.file.config;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.BeanFactoryAware;
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.context.ResourceLoaderAware;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceEditor;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.integration.channel.ChannelResolver;
+import org.springframework.integration.core.MessageChannel;
+import org.springframework.integration.file.FileNameGenerator;
+import org.springframework.integration.file.FileWritingMessageHandler;
+import org.springframework.util.Assert;
+
+/**
+ * @author Mark Fisher
+ * @since 1.0.3
+ */
+public class FileWritingMessageHandlerFactoryBean implements FactoryBean, BeanFactoryAware, ResourceLoaderAware {
+
+	private volatile FileWritingMessageHandler handler;
+
+	private volatile ResourceLoader resourceLoader;
+
+	private volatile BeanFactory beanFactory;
+
+	private volatile String directory;
+
+	private volatile MessageChannel outputChannel;
+
+	private volatile ChannelResolver channelResolver;
+
+	private volatile String charset;
+
+	private volatile FileNameGenerator fileNameGenerator;
+
+	private volatile Boolean deleteSourceFiles;
+
+	private volatile Boolean autoCreateDirectory;
+
+	private volatile Boolean requiresReply;
+
+	private volatile Long sendTimeout;
+
+	private volatile Integer order;
+
+	private final Object initializationMonitor = new Object();
+
+
+	public void setResourceLoader(ResourceLoader resourceLoader) {
+		this.resourceLoader = resourceLoader;
+	}
+
+	public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
+		this.beanFactory = beanFactory;
+	}
+
+	public void setDirectory(String directory) {
+		Assert.hasText(directory, "directory must not be empty");
+		if (directory.indexOf(':') == -1) {
+			directory = "file:" + directory;
+		}
+		this.directory = directory;
+	}
+
+	public void setOutputChannel(MessageChannel outputChannel) {
+		this.outputChannel = outputChannel;
+	}
+
+	public void setChannelResolver(ChannelResolver channelResolver) {
+		this.channelResolver = channelResolver;
+	}
+
+	public void setCharset(String charset) {
+		this.charset = charset;
+	}
+
+	public void setFileNameGenerator(FileNameGenerator fileNameGenerator) {
+		this.fileNameGenerator = fileNameGenerator;
+	}
+
+	public void setDeleteSourceFiles(Boolean deleteSourceFiles) {
+		this.deleteSourceFiles = deleteSourceFiles;
+	}
+
+	public void setAutoCreateDirectory(Boolean autoCreateDirectory) {
+		this.autoCreateDirectory = autoCreateDirectory;
+	}
+
+	public void setRequiresReply(Boolean requiresReply) {
+		this.requiresReply = requiresReply;
+	}
+
+	public void setSendTimeout(Long sendTimeout) {
+		this.sendTimeout = sendTimeout;
+	}
+
+	public void setOrder(Integer order) {
+		this.order = order;
+	}
+
+	public Object getObject() throws Exception {
+		if (this.handler == null) {
+			initHandler();
+		}
+		return this.handler;
+	}
+
+	public Class<?> getObjectType() {
+		return FileWritingMessageHandler.class;
+	}
+
+	public boolean isSingleton() {
+		return true;
+	}
+
+	private void initHandler() {
+		synchronized (this.initializationMonitor) {
+			if (this.handler != null) {
+				return;
+			}
+			ResourceEditor editor = new ResourceEditor(this.resourceLoader);
+			editor.setAsText(this.directory);			
+			this.handler = new FileWritingMessageHandler((Resource) editor.getValue());
+			if (this.outputChannel != null) {
+				this.handler.setOutputChannel(this.outputChannel);
+			}
+			if (this.channelResolver != null) {
+				this.handler.setChannelResolver(this.channelResolver);
+			}
+			if (this.charset != null) {
+				this.handler.setCharset(this.charset);
+			}
+			if (this.fileNameGenerator != null) {
+				this.handler.setFileNameGenerator(this.fileNameGenerator);
+			}
+			if (this.deleteSourceFiles != null) {
+				this.handler.setDeleteSourceFiles(this.deleteSourceFiles);
+			}
+			if (this.autoCreateDirectory != null) {
+				this.handler.setAutoCreateDirectory(this.autoCreateDirectory);
+			}
+			if (this.requiresReply != null) {
+				this.handler.setRequiresReply(this.requiresReply);
+			}
+			if (this.sendTimeout != null) {
+				this.handler.setSendTimeout(this.sendTimeout);
+			}
+			if (this.order != null) {
+				this.handler.setOrder(this.order);
+			}
+			this.handler.setBeanFactory(this.beanFactory);
+			this.handler.afterPropertiesSet();
+		}
+	}
+
+}