Examples with HttpHead org.apache.http.client.methods.HttpHead used on opensource projects

Example 21 with HttpHead

use of org.apache.http.client.methods.HttpHead in project elasticsearch-analysis-ik by medcl.

the class Monitor method runUnprivileged.

/**
 * 监控流程：
 *  ①向词库服务器发送Head请求
 *  ②从响应中获取Last-Modify、ETags字段值，判断是否变化
 *  ③如果未变化，休眠1min，返回第①步
 * 	④如果有变化，重新加载词典
 *  ⑤休眠1min，返回第①步
 */
public void runUnprivileged() {
    // 超时设置
    RequestConfig rc = RequestConfig.custom().setConnectionRequestTimeout(10 * 1000).setConnectTimeout(10 * 1000).setSocketTimeout(15 * 1000).build();
    HttpHead head = new HttpHead(location);
    head.setConfig(rc);
    // 设置请求头
    if (last_modified != null) {
        head.setHeader("If-Modified-Since", last_modified);
    }
    if (eTags != null) {
        head.setHeader("If-None-Match", eTags);
    }
    CloseableHttpResponse response = null;
    try {
        response = httpclient.execute(head);
        // 返回200 才做操作
        if (response.getStatusLine().getStatusCode() == 200) {
            if (((response.getLastHeader("Last-Modified") != null) && !response.getLastHeader("Last-Modified").getValue().equalsIgnoreCase(last_modified)) || ((response.getLastHeader("ETag") != null) && !response.getLastHeader("ETag").getValue().equalsIgnoreCase(eTags))) {
                // 远程词库有更新,需要重新加载词典，并修改last_modified,eTags
                Dictionary.getSingleton().reLoadMainDict();
                last_modified = response.getLastHeader("Last-Modified") == null ? null : response.getLastHeader("Last-Modified").getValue();
                eTags = response.getLastHeader("ETag") == null ? null : response.getLastHeader("ETag").getValue();
            }
        } else if (response.getStatusLine().getStatusCode() == 304) {
        // 没有修改，不做操作
        // noop
        } else {
            logger.info("remote_ext_dict {} return bad code {}", location, response.getStatusLine().getStatusCode());
        }
    } catch (Exception e) {
        logger.error("remote_ext_dict {} error!", e, location);
    } finally {
        try {
            if (response != null) {
                response.close();
            }
        } catch (IOException e) {
            logger.error(e.getMessage(), e);
        }
    }
}

Example 22 with HttpHead

use of org.apache.http.client.methods.HttpHead in project indy by Commonjava.

the class IndyClientHttp method exists.

public boolean exists(final String path, Supplier<Map<String, String>> querySupplier, final int... responseCodes) throws IndyClientException {
    HttpHead request = newJsonHead(buildUrl(baseUrl, querySupplier, path));
    ClientMetrics metrics = metricManager.register(request);
    connect();
    CloseableHttpResponse response = null;
    CloseableHttpClient client = null;
    try {
        client = newClient();
        addLoggingMDCToHeaders(request);
        response = client.execute(request, newContext());
        final StatusLine sl = response.getStatusLine();
        if (validResponseCode(sl.getStatusCode(), responseCodes)) {
            return true;
        } else if (sl.getStatusCode() == HttpStatus.SC_NOT_FOUND) {
            return false;
        }
        metrics.registerErr(sl);
        throw new IndyClientException(sl.getStatusCode(), "Error checking existence of: %s.\n%s", path, new IndyResponseErrorDetails(response));
    } catch (final IOException e) {
        metrics.registerErr(e);
        throw new IndyClientException("Indy request failed: %s", e, e.getMessage());
    } finally {
        metrics.registerEnd(response);
        cleanupResources(request, response, client, metrics);
    }
}

Example 23 with HttpHead

use of org.apache.http.client.methods.HttpHead in project indy by Commonjava.

the class IndyClientHttp method head.

public Map<String, String> head(final String path, final int... responseCodes) throws IndyClientException {
    HttpHead request = newJsonHead(buildUrl(baseUrl, path));
    connect();
    CloseableHttpResponse response = null;
    CloseableHttpClient client = null;
    ClientMetrics metrics = metricManager.register(request);
    try {
        addLoggingMDCToHeaders(request);
        client = newClient();
        response = client.execute(request, newContext());
        final StatusLine sl = response.getStatusLine();
        if (!validResponseCode(sl.getStatusCode(), responseCodes)) {
            if (sl.getStatusCode() == HttpStatus.SC_NOT_FOUND) {
                return null;
            }
            metrics.registerErr(sl);
            throw new IndyClientException(sl.getStatusCode(), "Error executing HEAD: %s. Status was: %d %s (%s)", path, sl.getStatusCode(), sl.getReasonPhrase(), sl.getProtocolVersion());
        }
        final Map<String, String> headers = new HashMap<>();
        for (final Header header : response.getAllHeaders()) {
            final String name = header.getName().toLowerCase();
            if (!headers.containsKey(name)) {
                headers.put(name, header.getValue());
            }
        }
        return headers;
    } catch (final IOException e) {
        metrics.registerErr(e);
        throw new IndyClientException("Indy request failed: %s", e, e.getMessage());
    } finally {
        metrics.registerEnd(response);
        cleanupResources(request, response, client, metrics);
    }
}

Example 24 with HttpHead

use of org.apache.http.client.methods.HttpHead in project indy by Commonjava.

the class AutoCreateRepoAndRetrievePomTest method run.

@Test
public void run() throws Exception {
    final String testRepo = "test";
    final PomRef pom = loadPom("simple.pom", Collections.<String, String>emptyMap());
    final String url = server.formatUrl(testRepo, pom.path);
    server.expect(url, 200, pom.pom);
    final HttpGet get = new HttpGet(url);
    CloseableHttpClient client = proxiedHttp();
    CloseableHttpResponse response = null;
    InputStream stream = null;
    try {
        response = client.execute(get, proxyContext(USER, PASS));
        stream = response.getEntity().getContent();
        final String resultingPom = IOUtils.toString(stream);
        assertThat(resultingPom, notNullValue());
        assertThat(resultingPom, equalTo(pom.pom));
    } finally {
        IOUtils.closeQuietly(stream);
        HttpResources.cleanupResources(get, response, client);
    }
    final RemoteRepository remoteRepo = this.client.stores().load(new StoreKey(GENERIC_PKG_KEY, StoreType.remote, "httprox_127-0-0-1_" + server.getPort()), RemoteRepository.class);
    assertThat(remoteRepo, notNullValue());
    assertThat(remoteRepo.getUrl(), equalTo(server.getBaseUri()));
    assertThat(remoteRepo.isPassthrough(), equalTo(true));
    String pomUrl = this.client.content().contentUrl(remoteRepo.getKey(), testRepo, pom.path) + "?cache-only=true";
    HttpHead head = new HttpHead(pomUrl);
    client = HttpClients.createDefault();
    try {
        response = client.execute(head);
        assertThat(response.getStatusLine().getStatusCode(), equalTo(200));
    } finally {
        HttpResources.cleanupResources(head, response, client);
    }
}

Example 25 with HttpHead

use of org.apache.http.client.methods.HttpHead in project jackrabbit by apache.

the class BindTest method testRebind.

public void testRebind() throws Exception {
    String testcol = this.root + "testRebind/";
    String subcol1 = testcol + "bindtest1/";
    String testres1 = subcol1 + "res1";
    String subcol2 = testcol + "bindtest2/";
    String testres2 = subcol2 + "res2";
    int status;
    try {
        HttpMkcol mkcol = new HttpMkcol(testcol);
        status = this.client.execute(mkcol, this.context).getStatusLine().getStatusCode();
        assertEquals(201, status);
        mkcol = new HttpMkcol(subcol1);
        status = this.client.execute(mkcol, this.context).getStatusLine().getStatusCode();
        assertEquals(201, status);
        mkcol = new HttpMkcol(subcol2);
        status = this.client.execute(mkcol, this.context).getStatusLine().getStatusCode();
        assertEquals(201, status);
        // create new resource R with path bindtest1/res1
        HttpPut put = new HttpPut(testres1);
        put.setEntity(new StringEntity("foo", ContentType.create("text/plain", "UTF-8")));
        status = this.client.execute(put, this.context).getStatusLine().getStatusCode();
        assertEquals(201, status);
        // enabling version control always makes the resource referenceable
        HttpVersionControl versioncontrol = new HttpVersionControl(testres1);
        status = this.client.execute(versioncontrol, this.context).getStatusLine().getStatusCode();
        assertTrue("status: " + status, status == 200 || status == 201);
        URI r1 = this.getResourceId(testres1);
        HttpGet get = new HttpGet(testres1);
        HttpResponse resp = this.client.execute(get, this.context);
        status = resp.getStatusLine().getStatusCode();
        assertEquals(200, status);
        assertEquals("foo", EntityUtils.toString(resp.getEntity()));
        // rebind R with path bindtest2/res2
        HttpRebind rebind = new HttpRebind(subcol2, new RebindInfo(testres1, "res2"));
        status = this.client.execute(rebind, this.context).getStatusLine().getStatusCode();
        assertEquals(201, status);
        URI r2 = this.getResourceId(testres2);
        get = new HttpGet(testres2);
        resp = this.client.execute(get, this.context);
        status = resp.getStatusLine().getStatusCode();
        assertEquals(200, status);
        assertEquals("foo", EntityUtils.toString(resp.getEntity()));
        // make sure that rebind did not change the resource-id
        assertEquals(r1, r2);
        // verify that the initial binding is gone
        HttpHead head = new HttpHead(testres1);
        status = this.client.execute(head, this.context).getStatusLine().getStatusCode();
        assertEquals(404, status);
    } finally {
        delete(testcol);
    }
}