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Abstract out Legend Engine server client into a service
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82 changes: 82 additions & 0 deletions
82
.../main/java/org/finos/legend/engine/ide/lsp/extension/DefaultLegendEngineServerClient.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // Copyright 2023 Goldman Sachs | ||
| // | ||
| // 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. | ||
|
|
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| package org.finos.legend.engine.ide.lsp.extension; | ||
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| import org.apache.http.HttpEntity; | ||
| import org.apache.http.client.methods.CloseableHttpResponse; | ||
| import org.apache.http.client.methods.HttpPost; | ||
| import org.apache.http.entity.StringEntity; | ||
| import org.apache.http.impl.client.CloseableHttpClient; | ||
| import org.apache.http.impl.client.HttpClientBuilder; | ||
| import org.apache.http.util.EntityUtils; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.UncheckedIOException; | ||
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| class DefaultLegendEngineServerClient implements LegendEngineServerClient | ||
| { | ||
| private final String engineServerUrl = System.getProperty("legend.engine.server.url"); | ||
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| @Override | ||
| public boolean isServerConfigured() | ||
| { | ||
| return this.engineServerUrl != null; | ||
| } | ||
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| @Override | ||
| public InputStream post(String path, String payload, String contentType) | ||
| { | ||
| return post(path, new StringEntity(payload, contentType)); | ||
| } | ||
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| private InputStream post(String path, HttpEntity payload) | ||
| { | ||
| if (!isServerConfigured()) | ||
| { | ||
| throw new IllegalStateException("Engine server is not configured"); | ||
| } | ||
| String url = buildUrl(path); | ||
| try | ||
| { | ||
| HttpPost httpPost = new HttpPost(url); | ||
| httpPost.setEntity(payload); | ||
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| try (CloseableHttpClient client = HttpClientBuilder.create().build(); | ||
| CloseableHttpResponse response = client.execute(httpPost)) | ||
| { | ||
| HttpEntity entity = response.getEntity(); | ||
| if ((response.getStatusLine().getStatusCode() / 100) != 2) | ||
| { | ||
| String responseString = EntityUtils.toString(entity); | ||
| throw new RuntimeException("Engine server responded to " + url + " with status: " + response.getStatusLine().getStatusCode() + "\nresponse: " + responseString); | ||
| } | ||
| return entity.getContent(); | ||
| } | ||
| } | ||
| catch (IOException e) | ||
| { | ||
| throw new UncheckedIOException(e); | ||
| } | ||
| } | ||
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| private String buildUrl(String path) | ||
| { | ||
| return this.engineServerUrl + | ||
| (this.engineServerUrl.endsWith("/") ? | ||
| (path.startsWith("/") ? path.substring(1) : path) : | ||
| (path.startsWith("/") ? path : ("/" + path))); | ||
| } | ||
| } |
32 changes: 32 additions & 0 deletions
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...ons/src/main/java/org/finos/legend/engine/ide/lsp/extension/LegendEngineServerClient.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // Copyright 2023 Goldman Sachs | ||
| // | ||
| // 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. | ||
|
|
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| package org.finos.legend.engine.ide.lsp.extension; | ||
|
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| import java.io.InputStream; | ||
|
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| public interface LegendEngineServerClient | ||
| { | ||
| default boolean isServerConfigured() | ||
| { | ||
| return false; | ||
| } | ||
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| default InputStream post(String path, String payload) | ||
| { | ||
| return post(path, payload, "application/json"); | ||
| } | ||
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| InputStream post(String path, String payload, String contentType); | ||
| } |