JackRabbit基础入门

在一个月前，我们经理就让我研究一下jackrabbit，为后面的内容管理开发做准备，我也一直在找关于jackrabbit的学习资料，无奈，好的资料都是英文的，看不太懂。终于在不懈努力下，写出了第一段代码。现在我将其粘贴出，大家一块学习下，有什么不足的，还请各位指点。

JackRabbit 的详细介绍：请点这里
JackRabbit 的下载地址：请点这里

相关阅读：使用 Apache Jackrabbit 实现 WebDAV 客户端 http://www.linuxidc.com/Linux/2013-09/90576.htm

所需jar包：

commons-collections-3.2.1.jar
commons-dbcp-1.2.2.jar
commons-io-1.4.jar
commons-pool-1.3.jar
concurrent-1.3.4.jar
derby-10.5.3.0_1.jar
jackrabbit-api-2.4.0.jar
jackrabbit-core-2.4.0.jar
jackrabbit-jcr-commons-2.4.0.jar
jackrabbit-spi-2.4.0.jar
jackrabbit-spi-commons-2.4.0.jar
jcr-2.0.jar
lucene-core-3.0.3.jar
slf4j-api-1.6.4.jar
tika-core-1.0.jar
tika-parsers-1.0.jar

repository.xml配置文件

<?xml version=”1.0″?>
<!DOCTYPE Repository PUBLIC “-//The Apache Software Foundation//DTD Jackrabbit 1.5//EN”
                            “http://jackrabbit.apache.org/dtd/repository-1.5.dtd”>
<!– Example Repository Configuration File
    Used by
    – org.apache.jackrabbit.core.config.RepositoryConfigTest.java
    –
–>

<Repository>
    <!–
        virtual file system where the repository stores global state
        (e.g. registered namespaces, custom node types, etc.)
    –>
    <FileSystem class=”org.apache.jackrabbit.core.fs.local.LocalFileSystem”>
        <param name=”path” value=”${rep.home}/repository”/>
    </FileSystem>

    <!–
        security configuration
    –>
    <Security appName=”Jackrabbit”>
        <!–
            security manager:
            class: FQN of class implementing the JackrabbitSecurityManager interface
        –>
        <SecurityManager class=”org.apache.jackrabbit.core.security.simple.SimpleSecurityManager” workspaceName=”security”>
            <!–
            workspace access:
            class: FQN of class implementing the WorkspaceAccessManager interface
            –>
            <!– <WorkspaceAccessManager class=”…”/> –>
            <!– <param name=”config” value=”${rep.home}/security.xml”/> –>
        </SecurityManager>

        <!–
            access manager:
            class: FQN of class implementing the AccessManager interface
        –>
        <AccessManager class=”org.apache.jackrabbit.core.security.simple.SimpleAccessManager”>
            <!– <param name=”config” value=”${rep.home}/access.xml”/> –>
        </AccessManager>

        <LoginModule class=”org.apache.jackrabbit.core.security.simple.SimpleLoginModule”>
          <!–
              anonymous user name (‘anonymous’ is the default value)
            –>
          <param name=”anonymousId” value=”anonymous”/>
          <!–
              administrator user id (default value if param is missing is ‘admin’)
            –>
          <param name=”adminId” value=”admin”/>
        </LoginModule>
    </Security>

    <!–
        location of workspaces root directory and name of default workspace
    –>
    <Workspaces rootPath=”${rep.home}/workspaces” defaultWorkspace=”default”/>
    <!–
        workspace configuration template:
        used to create the initial workspace if there’s no workspace yet
    –>
    <Workspace name=”${wsp.name}”>
        <!–
            virtual file system of the workspace:
            class: FQN of class implementing the FileSystem interface
        –>
        <FileSystem class=”org.apache.jackrabbit.core.fs.local.LocalFileSystem”>
            <param name=”path” value=”${wsp.home}”/>
        </FileSystem>
        <!–
            persistence manager of the workspace:
            class: FQN of class implementing the PersistenceManager interface
        –>
        <PersistenceManager class=”org.apache.jackrabbit.core.persistence.pool.DerbyPersistenceManager”>
          <param name=”url” value=”jdbc:derby:${wsp.home}/db;create=true”/>
          <param name=”schemaObjectPrefix” value=”${wsp.name}_”/>
        </PersistenceManager>
        <!–
            Search index and the file system it uses.
            class: FQN of class implementing the QueryHandler interface
        –>
        <SearchIndex class=”org.apache.jackrabbit.core.query.lucene.SearchIndex”>
            <param name=”path” value=”${wsp.home}/index”/>
            <param name=”textFilterClasses” value=”org.apache.jackrabbit.extractor.PlainTextExtractor,org.apache.jackrabbit.extractor.MsWordTextExtractor,org.apache.jackrabbit.extractor.MsExcelTextExtractor,org.apache.jackrabbit.extractor.MsPowerPointTextExtractor,org.apache.jackrabbit.extractor.PdfTextExtractor,org.apache.jackrabbit.extractor.OpenOfficeTextExtractor,org.apache.jackrabbit.extractor.RTFTextExtractor,org.apache.jackrabbit.extractor.HTMLTextExtractor,org.apache.jackrabbit.extractor.XMLTextExtractor”/>
            <param name=”extractorPoolSize” value=”2″/>
            <param name=”supportHighlighting” value=”true”/>
        </SearchIndex>
    </Workspace>

    <!–
        Configures the versioning
    –>
    <Versioning rootPath=”${rep.home}/version”>
        <!–
            Configures the filesystem to use for versioning for the respective
            persistence manager
        –>
        <FileSystem class=”org.apache.jackrabbit.core.fs.local.LocalFileSystem”>
            <param name=”path” value=”${rep.home}/version” />
        </FileSystem>

        <!–
            Configures the persistence manager to be used for persisting version state.
            Please note that the current versioning implementation is based on
            a ‘normal’ persistence manager, but this could change in future
            implementations.
        –>
        <PersistenceManager class=”org.apache.jackrabbit.core.persistence.bundle.DerbyPersistenceManager”>
          <param name=”url” value=”jdbc:derby:${rep.home}/version/db;create=true”/>
          <param name=”schemaObjectPrefix” value=”version_”/>
        </PersistenceManager>
    </Versioning>

    <!–
        Search index for content that is shared repository wide
        (/jcr:system tree, contains mainly versions)
    –>
    <SearchIndex class=”org.apache.jackrabbit.core.query.lucene.SearchIndex”>
        <param name=”path” value=”${rep.home}/repository/index”/>
        <param name=”textFilterClasses” value=”org.apache.jackrabbit.extractor.PlainTextExtractor,org.apache.jackrabbit.extractor.MsWordTextExtractor,org.apache.jackrabbit.extractor.MsExcelTextExtractor,org.apache.jackrabbit.extractor.MsPowerPointTextExtractor,org.apache.jackrabbit.extractor.PdfTextExtractor,org.apache.jackrabbit.extractor.OpenOfficeTextExtractor,org.apache.jackrabbit.extractor.RTFTextExtractor,org.apache.jackrabbit.extractor.HTMLTextExtractor,org.apache.jackrabbit.extractor.XMLTextExtractor”/>
        <param name=”extractorPoolSize” value=”2″/>
        <param name=”supportHighlighting” value=”true”/>
    </SearchIndex>
   
    <DataStore class=”org.apache.jackrabbit.core.data.FileDataStore”>
        <param name=”path” value=”${rep.home}/repository/datastore”/>
        <param name=”minRecordLength” value=”100″/>
    </DataStore>
</Repository>

java代码：

import java.io.File;
import java.io.FileInputStream;
import java.util.Calendar;
import java.util.Hashtable;

import javax.jcr.Binary;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.Property;
import javax.jcr.PropertyIterator;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.SimpleCredentials;
import javax.jcr.Value;
import javax.jcr.Workspace;
import javax.jcr.query.Query;
import javax.jcr.query.QueryManager;
import javax.jcr.query.QueryResult;
import javax.naming.Context;
import javax.naming.InitialContext;

import org.apache.jackrabbit.core.jndi.RegistryHelper;
import org.apache.jackrabbit.core.jndi.provider.DummyInitialContextFactory;
import org.apache.jackrabbit.value.BinaryImpl;
import org.apache.jackrabbit.value.StringValue;

import sun.net.www.MimeTable;

//import sun.net.www.MimeTable;

public class TestJackrabbit {
 public static void main(String[] args) throws Exception {

  // 初始化仓库
  String configFile = “config/repository.xml”;
  String repHomeDir = “F:\\Company\\repository”;
  Hashtable<String, Object> hashTable = new Hashtable<String, Object>();
  hashTable.put(Context.INITIAL_CONTEXT_FACTORY,
    DummyInitialContextFactory.class.getName());
  hashTable.put(Context.PROVIDER_URL, “127.0.0.1”);
  InitialContext ctx = new InitialContext(hashTable);
  RegistryHelper.registerRepository(ctx, “repo”, configFile, repHomeDir,
    true);
  Repository r = (Repository) ctx.lookup(“repo”);

  // 登陆          .这里注意一点，需要以管理员的身份登陆，否则很多操作都没有权限，默认用户名和密码都是admin
  SimpleCredentials cred = new SimpleCredentials(“admin”,
    “admin”.toCharArray());
  Session session = r.login(cred, null);

  // /////////////注册工作区命名空间  start//////////////////////////////////
  // 根节点
  Node rn = session.getRootNode();

  // 注册命名空间
  Workspace ws = session.getWorkspace();
  if (!ws.getSession().isLive()) {
   ws.getNamespaceRegistry().registerNamespace(“wiki”,
     “http://127.0.0.1/wiki/1.0”);
  }
  // /////////////注册工作区命名空间  end//////////////////////////////////
 
 
  // 添加内容
  Node encyclopedia = rn.addNode(“wiki:encyclopedia”);
  Node p = encyclopedia.addNode(“wiki:entry”);
  p.setProperty(“wiki:title”, toStringValue(“rose”));
  p.setProperty(“wiki:content”,
    toStringValue(“A rose is a flowering shrub.”));
  p.setProperty(“wiki:category”, new Value[] { toStringValue(“flower”),
    toStringValue(“plant”), toStringValue(“rose”) });

  Node n = encyclopedia.addNode(“wiki:entry”);
  n.setProperty(“wiki:title”, toStringValue(“Shakespeare”));
  n.setProperty(“wiki:content”,
    toStringValue(“A famous poet who likes roses.”));
  n.setProperty(“wiki:category”, toStringValue(“poet”));
  // 保存
  session.save();

  // 查找
  QueryManager qm = ws.getQueryManager();
  Query q = qm.createQuery(
    “//wiki:encyclopedia/wiki:entry[@wiki:title = ‘rose’]”,
    Query.XPATH);// deprecated
  QueryResult result = q.execute();// 执行查询
  NodeIterator it = result.getNodes();
  // 然后就可以了遍历了 
  while (it.hasNext()) {
   Node entry = it.nextNode();
   // 简单的输出，后面会有输出详细内容的方法 
   System.out.println(entry.toString());
  }

  //  加入文件 
  File file = new File(“F:\\我的文档\\图片素材\\非主流\\30.gif”);
  MimeTable mt = MimeTable.getDefaultTable();
  String mimeType = mt.getContentTypeFor(file.getName());
  if (mimeType == null) {
   mimeType = “application/octet-stream”;
  }
  Node fileNode = rn.addNode(file.getName(), “nt:file”);
  Node resNode = fileNode.addNode(“jcr:content”, “nt:resource”);
  resNode.setProperty(“jcr:mimeType”, mimeType);
  resNode.setProperty(“jcr:encoding”, “”);
 
  //这里–用流加入 
  Binary fileBinary = new BinaryImpl(new FileInputStream(file));
  resNode.setProperty(“jcr:data”, fileBinary);

  Calendar lastModified = Calendar.getInstance();
  lastModified.setTimeInMillis(file.lastModified());
  resNode.setProperty(“jcr:lastModified”, lastModified);
  // 保存
  session.save();

  // 打印
  printAll(rn);

 }

 private static StringValue toStringValue(String str) {
  return new StringValue(str);
 }

 /**
  * 打印
  */
 private static void printAll(Node node) throws RepositoryException {
  printFormat(node.toString());
  PropertyIterator propertys = node.getProperties();
  while (propertys.hasNext()) {
   Property entry = propertys.nextProperty();
   if (entry.isMultiple()) {
    Value[] values = entry.getValues();
    if (values == null) {
     continue;
    }
    for (Value v : values) {
     printFormat(v.getString());
    }
   } else {
    printFormat(entry.getValue().getString());
   }
  }

  NodeIterator entries = node.getNodes();
  while (entries.hasNext()) {
   Node entry = entries.nextNode();
   printAll(entry);
  }
 }

 private static void printFormat(Object str) {
  System.out.println(“####################:” + str);
 }
}

这写就是完整的代码