Winston Li
70 lines
2.5 KiB
Java
70 lines
2.5 KiB
Java
package uk.ac.ic.wlgitbridge.application;
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import com.google.gson.Gson;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import uk.ac.ic.wlgitbridge.bridge.WriteLatexDataSource;
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import uk.ac.ic.wlgitbridge.writelatex.api.request.push.exception.SnapshotPostException;
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import uk.ac.ic.wlgitbridge.writelatex.api.request.base.JSONSource;
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import uk.ac.ic.wlgitbridge.writelatex.api.request.push.UnexpectedPostbackException;
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import uk.ac.ic.wlgitbridge.writelatex.api.request.push.exception.SnapshotPostExceptionBuilder;
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/**
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* Created by Winston on 17/11/14.
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*/
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public class SnapshotPushPostbackContents implements JSONSource {
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private static final String CODE_SUCCESS = "upToDate";
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private final WriteLatexDataSource writeLatexDataSource;
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private final String projectName;
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private final SnapshotPostExceptionBuilder snapshotPostExceptionBuilder;
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private int versionID;
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private SnapshotPostException exception;
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public SnapshotPushPostbackContents(WriteLatexDataSource writeLatexDataSource, String projectName, String contents) {
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this.projectName = projectName;
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this.writeLatexDataSource = writeLatexDataSource;
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snapshotPostExceptionBuilder = new SnapshotPostExceptionBuilder();
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fromJSON(new Gson().fromJson(contents, JsonElement.class));
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}
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@Override
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public void fromJSON(JsonElement json) {
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JsonObject responseObject = json.getAsJsonObject();
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String code = responseObject.get("code").getAsString();
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setResult(responseObject, code);
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}
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public void processPostback() throws UnexpectedPostbackException {
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if (exception == null) {
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writeLatexDataSource.postbackReceivedSuccessfully(projectName, versionID);
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} else {
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writeLatexDataSource.postbackReceivedWithException(projectName, exception);
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}
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}
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private void setResult(JsonObject responseObject, String code) {
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if (code.equals(CODE_SUCCESS)) {
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setVersionID(responseObject);
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} else {
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setException(responseObject, code);
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}
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}
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private void setVersionID(JsonObject responseObject) {
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versionID = responseObject.get("latestVerId").getAsInt();
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}
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private void setException(JsonObject responseObject, String code) {
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try {
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exception = snapshotPostExceptionBuilder.build(code, responseObject);
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} catch (UnexpectedPostbackException e) {
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throw new RuntimeException(e);
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}
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}
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}
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