+++ /dev/null
-package org.argeo.cms.integration;
-
-import java.io.IOException;
-
-import javax.jcr.Node;
-import javax.jcr.NodeIterator;
-import javax.jcr.Property;
-import javax.jcr.PropertyIterator;
-import javax.jcr.PropertyType;
-import javax.jcr.Repository;
-import javax.jcr.RepositoryException;
-import javax.jcr.Session;
-import javax.jcr.Value;
-import javax.jcr.nodetype.NodeType;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.apache.commons.io.FilenameUtils;
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.jackrabbit.api.JackrabbitNode;
-import org.apache.jackrabbit.api.JackrabbitValue;
-import org.argeo.jcr.JcrUtils;
-
-import com.fasterxml.jackson.core.JsonGenerator;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
-/** Access a JCR repository via web services. */
-public class JcrServlet extends HttpServlet {
- private static final long serialVersionUID = 6536175260540484539L;
- private final static Log log = LogFactory.getLog(JcrServlet.class);
-
- private final static String PARAM_VERBOSE = "verbose";
- private final static String PARAM_DEPTH = "depth";
-
- public final static String JCR_NODES = "jcr:nodes";
- public final static String JCR_PATH = "jcr:path";
- public final static String JCR_NAME = "jcr:name";
-
-
- private Repository repository;
- private Integer maxDepth = 8;
-
- private ObjectMapper objectMapper = new ObjectMapper();
-
- @Override
- protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
- if (log.isTraceEnabled())
- log.trace("Data service: " + req.getPathInfo());
-
- String dataWorkspace = getWorkspace(req);
- String jcrPath = getJcrPath(req);
-
- boolean verbose = req.getParameter(PARAM_VERBOSE) != null && !req.getParameter(PARAM_VERBOSE).equals("false");
- int depth = 1;
- if (req.getParameter(PARAM_DEPTH) != null) {
- depth = Integer.parseInt(req.getParameter(PARAM_DEPTH));
- if (depth > maxDepth)
- throw new RuntimeException("Depth " + depth + " is higher than maximum " + maxDepth);
- }
-
- Session session = null;
- try {
- // authentication
- session = openJcrSession(req, resp, repository, dataWorkspace);
- if (!session.itemExists(jcrPath))
- throw new RuntimeException("JCR node " + jcrPath + " does not exist");
- Node node = session.getNode(jcrPath);
- if (node.isNodeType(NodeType.NT_FILE)) {
- resp.setContentType("application/octet-stream");
- resp.addHeader("Content-Disposition", "attachment; filename='" + node.getName() + "'");
- IOUtils.copy(JcrUtils.getFileAsStream(node), resp.getOutputStream());
- resp.flushBuffer();
- } else {
- resp.setContentType("application/json");
- JsonGenerator jsonGenerator = objectMapper.getFactory().createGenerator(resp.getWriter());
- jsonGenerator.writeStartObject();
- writeNodeProperties(node, jsonGenerator, verbose);
- writeNodeChildren(node, jsonGenerator, depth, verbose);
- jsonGenerator.writeEndObject();
- jsonGenerator.flush();
- }
- } catch (Exception e) {
- new CmsExceptionsChain(e).writeAsJson(objectMapper, resp);
- } finally {
- JcrUtils.logoutQuietly(session);
- }
- }
-
- @Override
- protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
- if (log.isTraceEnabled())
- log.trace("Data service: " + req.getPathInfo());
-
- String dataWorkspace = getWorkspace(req);
- String jcrPath = getJcrPath(req);
-
- Session session = null;
- try {
- // authentication
- session = openJcrSession(req, resp, repository, dataWorkspace);
- if (!session.itemExists(jcrPath)) {
- String parentPath = FilenameUtils.getFullPathNoEndSeparator(jcrPath);
- String fileName = FilenameUtils.getName(jcrPath);
- Node folderNode = JcrUtils.mkfolders(session, parentPath);
- byte[] bytes = IOUtils.toByteArray(req.getInputStream());
- JcrUtils.copyBytesAsFile(folderNode, fileName, bytes);
- } else {
- Node node = session.getNode(jcrPath);
- if (!node.isNodeType(NodeType.NT_FILE))
- throw new IllegalArgumentException("Node " + jcrPath + " exists but is not a file");
- byte[] bytes = IOUtils.toByteArray(req.getInputStream());
- JcrUtils.copyBytesAsFile(node.getParent(), node.getName(), bytes);
- }
- } catch (Exception e) {
- new CmsExceptionsChain(e).writeAsJson(objectMapper, resp);
- } finally {
- JcrUtils.logoutQuietly(session);
- }
- }
-
- protected Session openJcrSession(HttpServletRequest req, HttpServletResponse resp, Repository repository,
- String workspace) throws RepositoryException {
- return workspace != null ? repository.login(workspace) : repository.login();
- }
-
- /**
- * To be overridden.
- *
- * @return the workspace to use, or <code>null</code> if default should be used.
- */
- protected String getWorkspace(HttpServletRequest req) {
- return null;
- }
-
- protected String getJcrPath(HttpServletRequest req) {
- return req.getPathInfo();
- }
-
- protected void writeNodeProperties(Node node, JsonGenerator jsonGenerator, boolean verbose)
- throws RepositoryException, IOException {
- String jcrPath = node.getPath();
- jsonGenerator.writeStringField(JcrServlet.JCR_NAME, node.getName());
- jsonGenerator.writeStringField(JcrServlet.JCR_PATH, jcrPath);
-
- PropertyIterator pit = node.getProperties();
- properties: while (pit.hasNext()) {
- Property property = pit.nextProperty();
-
- if (!verbose) {
- if (property.getName().equals("jcr:primaryType") || property.getName().equals("jcr:mixinTypes")
- || property.getName().equals("jcr:created") || property.getName().equals("jcr:createdBy")
- || property.getName().equals("jcr:lastModified")
- || property.getName().equals("jcr:lastModifiedBy")) {
- continue properties;// skip
- }
- }
-
- if (property.getType() == PropertyType.BINARY) {
- if (!(node instanceof JackrabbitNode)) {
- continue properties;// skip
- }
- }
-
- if (!property.isMultiple()) {
- jsonGenerator.writeFieldName(property.getName());
- writePropertyValue(property.getType(), property.getValue(), jsonGenerator);
- } else {
- jsonGenerator.writeFieldName(property.getName());
- jsonGenerator.writeStartArray();
- Value[] values = property.getValues();
- for (Value value : values) {
- writePropertyValue(property.getType(), value, jsonGenerator);
- }
- jsonGenerator.writeEndArray();
- }
- }
-
- // meta data
- if (verbose) {
- jsonGenerator.writeStringField("jcr:identifier", node.getIdentifier());
- }
- }
-
- protected void writePropertyValue(int type, Value value, JsonGenerator jsonGenerator)
- throws RepositoryException, IOException {
- if (type == PropertyType.DOUBLE)
- jsonGenerator.writeNumber(value.getDouble());
- else if (type == PropertyType.LONG)
- jsonGenerator.writeNumber(value.getLong());
- else if (type == PropertyType.BINARY) {
- if (value instanceof JackrabbitValue) {
- String contentIdentity = ((JackrabbitValue) value).getContentIdentity();
- jsonGenerator.writeString("SHA256:" + contentIdentity);
- } else {
- jsonGenerator.writeNull();
- }
- } else
- jsonGenerator.writeString(value.getString());
- }
-
- protected void writeNodeChildren(Node node, JsonGenerator jsonGenerator, int depth, boolean verbose)
- throws RepositoryException, IOException {
- if (!node.hasNodes())
- return;
- if (depth <= 0)
- return;
- NodeIterator nit = node.getNodes();
- jsonGenerator.writeFieldName(JcrServlet.JCR_NODES);
- jsonGenerator.writeStartArray();
- children: while (nit.hasNext()) {
- Node child = nit.nextNode();
-
- if (child.getName().startsWith("rep:")) {
- continue children;// skip Jackrabbit auth metadata
- }
-
- jsonGenerator.writeStartObject();
- writeNodeProperties(child, jsonGenerator, verbose);
- writeNodeChildren(child, jsonGenerator, depth - 1, verbose);
- jsonGenerator.writeEndObject();
- }
- jsonGenerator.writeEndArray();
- }
-
- public void setRepository(Repository repository) {
- this.repository = repository;
- }
-
- public void setMaxDepth(Integer maxDepth) {
- this.maxDepth = maxDepth;
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff