localfs support

runtime/datax/localwriter/pom.xml

@@ -0,0 +1,75 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.alibaba.datax</groupId>
+        <artifactId>datax-all</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>localwriter</artifactId>
+    <name>localwriter</name>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.alibaba.datax</groupId>
+            <artifactId>datax-core</artifactId>
+            <version>${datax-project-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.datax</groupId>
+            <artifactId>datax-common</artifactId>
+            <version>${datax-project-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <resources>
+            <resource>
+                <directory>src/main/java</directory>
+                <includes>
+                    <include>**/*.properties</include>
+                </includes>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>${jdk-version}</source>
+                    <target>${jdk-version}</target>
+                    <encoding>${project-sourceEncoding}</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <configuration>
+                    <descriptors>
+                        <descriptor>src/main/assembly/package.xml</descriptor>
+                    </descriptors>
+                    <finalName>datax</finalName>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>dwzip</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

runtime/datax/localwriter/src/main/assembly/package.xml

@@ -0,0 +1,35 @@
+<assembly
+        xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+    <id></id>
+    <formats>
+        <format>dir</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+    <fileSets>
+        <fileSet>
+            <directory>src/main/resources</directory>
+            <includes>
+                <include>plugin.json</include>
+                <include>plugin_job_template.json</include>
+            </includes>
+            <outputDirectory>plugin/writer/localwriter</outputDirectory>
+        </fileSet>
+        <fileSet>
+            <directory>target/</directory>
+            <includes>
+                <include>localwriter-0.0.1-SNAPSHOT.jar</include>
+            </includes>
+            <outputDirectory>plugin/writer/localwriter</outputDirectory>
+        </fileSet>
+    </fileSets>
+
+    <dependencySets>
+        <dependencySet>
+            <useProjectArtifact>false</useProjectArtifact>
+            <outputDirectory>plugin/writer/localwriter/libs</outputDirectory>
+            <scope>runtime</scope>
+        </dependencySet>
+    </dependencySets>
+</assembly>

runtime/datax/localwriter/src/main/java/com/datamate/plugin/writer/localwriter/LocalWriter.java

@@ -0,0 +1,118 @@
+package com.datamate.plugin.writer.localwriter;
+
+import com.alibaba.datax.common.element.Record;
+import com.alibaba.datax.common.exception.CommonErrorCode;
+import com.alibaba.datax.common.exception.DataXException;
+import com.alibaba.datax.common.plugin.RecordReceiver;
+import com.alibaba.datax.common.spi.Writer;
+import com.alibaba.datax.common.util.Configuration;
+
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * 本地文件夹写入器
+ * 从本地源目录复制文件到目标目录
+ */
+public class LocalWriter extends Writer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(LocalWriter.class);
+
+    public static class Job extends Writer.Job {
+        private Configuration jobConfig;
+
+        @Override
+        public void init() {
+            this.jobConfig = super.getPluginJobConf();
+        }
+
+        @Override
+        public void prepare() {
+            String destPath = this.jobConfig.getString("destPath");
+            if (destPath == null || destPath.isEmpty()) {
+                throw new RuntimeException("destPath is required for localwriter");
+            }
+            try {
+                Files.createDirectories(Paths.get(destPath));
+            } catch (IOException e) {
+                throw new RuntimeException("Failed to create destination directory: " + destPath, e);
+            }
+        }
+
+        @Override
+        public List<Configuration> split(int mandatoryNumber) {
+            return Collections.singletonList(this.jobConfig);
+        }
+
+        @Override
+        public void post() {
+        }
+
+        @Override
+        public void destroy() {
+        }
+    }
+
+    public static class Task extends Writer.Task {
+        private Configuration jobConfig;
+        private String sourcePath;
+        private String destPath;
+        private List<String> files;
+
+        @Override
+        public void init() {
+            this.jobConfig = super.getPluginJobConf();
+            this.sourcePath = this.jobConfig.getString("path");
+            this.destPath = this.jobConfig.getString("destPath");
+            this.files = this.jobConfig.getList("files", Collections.emptyList(), String.class);
+        }
+
+        @Override
+        public void startWrite(RecordReceiver lineReceiver) {
+            try {
+                Record record;
+                while ((record = lineReceiver.getFromReader()) != null) {
+                    String fileName = record.getColumn(0).asString();
+                    if (StringUtils.isBlank(fileName)) {
+                        continue;
+                    }
+                    if (!files.isEmpty() && !files.contains(fileName)) {
+                        continue;
+                    }
+                    copyFile(fileName);
+                }
+            } catch (Exception e) {
+                throw DataXException.asDataXException(CommonErrorCode.RUNTIME_ERROR, e);
+            }
+        }
+
+        private void copyFile(String fileName) {
+            Path source = Paths.get(this.sourcePath, fileName);
+            Path target = Paths.get(this.destPath, fileName);
+            try {
+                if (!Files.exists(source)) {
+                    LOG.warn("Source file does not exist: {}", source);
+                    return;
+                }
+                Files.copy(source, target, StandardCopyOption.REPLACE_EXISTING);
+                LOG.info("Copied file {} to {}", source, target);
+            } catch (IOException e) {
+                LOG.error("Failed to copy file {} to {}: {}", source, target, e.getMessage(), e);
+                throw new RuntimeException("Failed to copy file: " + fileName, e);
+            }
+        }
+
+        @Override
+        public void destroy() {
+        }
+    }
+}

runtime/datax/localwriter/src/main/resources/plugin.json

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+{
+  "name": "localwriter",
+  "class": "com.datamate.plugin.writer.localwriter.LocalWriter",
+  "description": "write to local file system",
+  "developer": "datamate"
+}

runtime/datax/localwriter/src/main/resources/plugin_job_template.json

@@ -0,0 +1,7 @@
+{
+  "name": "localwriter",
+  "parameter": {
+    "path": "/data/source",
+    "destPath": "/data/dest"
+  }
+}