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ExtensionSchemaRestService.java
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ExtensionSchemaRestService.java
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/*
* Copyright (c) 2010-2017 Evolveum
*
* 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 com.evolveum.midpoint.model.impl;
import com.evolveum.midpoint.prism.PrismContext;
import com.evolveum.midpoint.prism.schema.SchemaDescription;
import com.evolveum.midpoint.prism.schema.SchemaRegistry;
import com.evolveum.midpoint.util.logging.Trace;
import com.evolveum.midpoint.util.logging.TraceManager;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* Created by Viliam Repan (lazyman).
*/
@Service
@Path("/schema")
@Consumes(MediaType.WILDCARD)
public class ExtensionSchemaRestService {
private static final Trace LOGGER = TraceManager.getTrace(ExtensionSchemaRestService.class);
private static final String MIDPOINT_HOME = System.getProperty("midpoint.home");
@Autowired
private PrismContext prismContext;
@GET
@Produces(MediaType.TEXT_PLAIN)
public Response listSchemas() {
SchemaRegistry registry = prismContext.getSchemaRegistry();
Collection<SchemaDescription> descriptions = registry.getSchemaDescriptions();
List<String> names = new ArrayList<>();
for (SchemaDescription description : descriptions) {
String name = computeName(MIDPOINT_HOME, description);
if (name == null) {
continue;
}
names.add(name);
}
String result = StringUtils.join(names, "\n");
return Response.ok(result).build();
}
private String computeName(String midpointHome, SchemaDescription description) {
String path = description.getPath();
if (path == null) {
return null;
}
File file = new File(path);
if (!file.exists()) {
return null;
}
File home = new File(midpointHome, "/schema");
java.nio.file.Path homePath = home.toPath();
java.nio.file.Path filePath = file.toPath();
java.nio.file.Path relative = homePath.relativize(filePath);
return relative.toString();
}
@GET
@Path("/{name}")
@Produces({MediaType.TEXT_XML, MediaType.TEXT_PLAIN})
public Response getSchema(@PathParam("name") String name) {
if (name == null) {
return Response.status(Response.Status.BAD_REQUEST).type(MediaType.TEXT_PLAIN_TYPE)
.entity("Name not defined").build();
}
if (!name.toLowerCase().endsWith(".xsd") && name.length() > 4) {
return Response.status(Response.Status.BAD_REQUEST).type(MediaType.TEXT_PLAIN_TYPE)
.entity("Name must be an xsd schema (.xsd extension expected)").build();
}
SchemaRegistry registry = prismContext.getSchemaRegistry();
Collection<SchemaDescription> descriptions = registry.getSchemaDescriptions();
SchemaDescription description = null;
for (SchemaDescription desc : descriptions) {
String descName = computeName(MIDPOINT_HOME, desc);
if (descName == null || !descName.equals(name)) {
continue;
}
description = desc;
break;
}
if (description == null) {
return Response.status(Response.Status.NOT_FOUND).type(MediaType.TEXT_PLAIN_TYPE)
.entity("Unknown name").build();
}
try {
String xsd = FileUtils.readFileToString(new File(description.getPath()));
return Response.ok(xsd).build();
} catch (IOException ex) {
LOGGER.error("Couldn't load schema file for " + name, ex);
return Response.serverError().type(MediaType.TEXT_PLAIN_TYPE).entity(ex.getMessage()).build();
}
}
}