forked from loafle/openapi-generator-original
457 lines
14 KiB
Plaintext
457 lines
14 KiB
Plaintext
{{>licenseInfo}}
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package {{invokerPackage}};
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import org.apache.http.*;
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import org.apache.http.client.*;
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import org.apache.http.client.methods.*;
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import org.apache.http.conn.*;
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import org.apache.http.conn.scheme.*;
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import org.apache.http.conn.ssl.*;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.*;
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import org.apache.http.impl.conn.*;
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import org.apache.http.impl.conn.tsccm.*;
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import org.apache.http.params.*;
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import org.apache.http.util.EntityUtils;
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import java.io.File;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.net.Socket;
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import java.net.UnknownHostException;
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import java.net.URLEncoder;
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import java.util.Collection;
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import java.util.Map;
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import java.util.HashMap;
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import java.util.List;
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import java.util.ArrayList;
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import java.security.GeneralSecurityException;
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import java.security.KeyManagementException;
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import java.security.KeyStore;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import java.security.cert.*;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.TimeZone;
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import java.util.Random;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import com.google.gson.JsonParseException;
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public class ApiInvoker {
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private static ApiInvoker INSTANCE = new ApiInvoker();
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private Map<String, String> defaultHeaderMap = new HashMap<String, String>();
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private HttpClient client = null;
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private boolean ignoreSSLCertificates = false;
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private ClientConnectionManager ignoreSSLConnectionManager;
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/** Content type "text/plain" with UTF-8 encoding. */
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public static final ContentType TEXT_PLAIN_UTF8 = ContentType.create("text/plain", Consts.UTF_8);
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/**
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* ISO 8601 date time format.
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* @see https://en.wikipedia.org/wiki/ISO_8601
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*/
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public static final SimpleDateFormat DATE_TIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
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/**
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* ISO 8601 date format.
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* @see https://en.wikipedia.org/wiki/ISO_8601
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*/
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public static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
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static {
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// Use UTC as the default time zone.
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DATE_TIME_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
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DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));
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// Set default User-Agent.
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setUserAgent("{{#httpUserAgent}}{{{.}}}{{/httpUserAgent}}{{^httpUserAgent}}Swagger-Codegen/{{{artifactVersion}}}/android{{/httpUserAgent}}");
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}
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public static void setUserAgent(String userAgent) {
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INSTANCE.addDefaultHeader("User-Agent", userAgent);
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}
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public static Date parseDateTime(String str) {
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try {
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return DATE_TIME_FORMAT.parse(str);
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} catch (java.text.ParseException e) {
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throw new RuntimeException(e);
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}
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}
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public static Date parseDate(String str) {
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try {
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return DATE_FORMAT.parse(str);
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} catch (java.text.ParseException e) {
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throw new RuntimeException(e);
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}
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}
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public static String formatDateTime(Date datetime) {
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return DATE_TIME_FORMAT.format(datetime);
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}
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public static String formatDate(Date date) {
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return DATE_FORMAT.format(date);
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}
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public static String parameterToString(Object param) {
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if (param == null) {
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return "";
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} else if (param instanceof Date) {
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return formatDateTime((Date) param);
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} else if (param instanceof Collection) {
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StringBuilder b = new StringBuilder();
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for(Object o : (Collection)param) {
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if(b.length() > 0) {
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b.append(",");
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}
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b.append(String.valueOf(o));
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}
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return b.toString();
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} else {
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return String.valueOf(param);
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}
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}
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/*
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Format to {@code Pair} objects.
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*/
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public static List<Pair> parameterToPairs(String collectionFormat, String name, Object value){
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List<Pair> params = new ArrayList<Pair>();
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// preconditions
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if (name == null || name.isEmpty() || value == null) return params;
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Collection valueCollection = null;
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if (value instanceof Collection) {
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valueCollection = (Collection) value;
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} else {
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params.add(new Pair(name, parameterToString(value)));
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return params;
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}
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if (valueCollection.isEmpty()){
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return params;
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}
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// get the collection format
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collectionFormat = (collectionFormat == null || collectionFormat.isEmpty() ? "csv" : collectionFormat); // default: csv
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// create the params based on the collection format
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if (collectionFormat.equals("multi")) {
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for (Object item : valueCollection) {
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params.add(new Pair(name, parameterToString(item)));
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}
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return params;
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}
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String delimiter = ",";
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if (collectionFormat.equals("csv")) {
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delimiter = ",";
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} else if (collectionFormat.equals("ssv")) {
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delimiter = " ";
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} else if (collectionFormat.equals("tsv")) {
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delimiter = "\t";
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} else if (collectionFormat.equals("pipes")) {
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delimiter = "|";
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}
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StringBuilder sb = new StringBuilder() ;
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for (Object item : valueCollection) {
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sb.append(delimiter);
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sb.append(parameterToString(item));
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}
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params.add(new Pair(name, sb.substring(1)));
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return params;
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}
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public ApiInvoker() {
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initConnectionManager();
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}
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public static ApiInvoker getInstance() {
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return INSTANCE;
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}
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public void ignoreSSLCertificates(boolean ignoreSSLCertificates) {
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this.ignoreSSLCertificates = ignoreSSLCertificates;
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}
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public void addDefaultHeader(String key, String value) {
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defaultHeaderMap.put(key, value);
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}
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public String escapeString(String str) {
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try {
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return URLEncoder.encode(str, "UTF-8");
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} catch (UnsupportedEncodingException e) {
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return str;
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}
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}
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public static Object deserialize(String json, String containerType, Class cls) throws ApiException {
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try{
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if("list".equalsIgnoreCase(containerType) || "array".equalsIgnoreCase(containerType)) {
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return JsonUtil.deserializeToList(json, cls);
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}
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else if(String.class.equals(cls)) {
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if(json != null && json.startsWith("\"") && json.endsWith("\"") && json.length() > 1)
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return json.substring(1, json.length() - 1);
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else
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return json;
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}
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else {
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return JsonUtil.deserializeToObject(json, cls);
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}
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}
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catch (JsonParseException e) {
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throw new ApiException(500, e.getMessage());
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}
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}
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public static String serialize(Object obj) throws ApiException {
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try {
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if (obj != null)
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return JsonUtil.serialize(obj);
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else
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return null;
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}
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catch (Exception e) {
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throw new ApiException(500, e.getMessage());
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}
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}
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public String invokeAPI(String host, String path, String method, List<Pair> queryParams, Object body, Map<String, String> headerParams, Map<String, String> formParams, String contentType) throws ApiException {
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HttpClient client = getClient(host);
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StringBuilder b = new StringBuilder();
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b.append("?");
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if (queryParams != null){
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for (Pair queryParam : queryParams){
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if (!queryParam.getName().isEmpty()) {
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b.append(escapeString(queryParam.getName()));
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b.append("=");
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b.append(escapeString(queryParam.getValue()));
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b.append("&");
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}
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}
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}
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String querystring = b.substring(0, b.length() - 1);
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String url = host + path + querystring;
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HashMap<String, String> headers = new HashMap<String, String>();
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for(String key : headerParams.keySet()) {
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headers.put(key, headerParams.get(key));
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}
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for(String key : defaultHeaderMap.keySet()) {
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if(!headerParams.containsKey(key)) {
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headers.put(key, defaultHeaderMap.get(key));
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}
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}
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headers.put("Accept", "application/json");
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// URL encoded string from form parameters
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String formParamStr = null;
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// for form data
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if ("application/x-www-form-urlencoded".equals(contentType)) {
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StringBuilder formParamBuilder = new StringBuilder();
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// encode the form params
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for (String key : formParams.keySet()) {
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String value = formParams.get(key);
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if (value != null && !"".equals(value.trim())) {
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if (formParamBuilder.length() > 0) {
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formParamBuilder.append("&");
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}
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try {
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formParamBuilder.append(URLEncoder.encode(key, "utf8")).append("=").append(URLEncoder.encode(value, "utf8"));
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}
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catch (Exception e) {
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// move on to next
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}
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}
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}
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formParamStr = formParamBuilder.toString();
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}
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HttpResponse response = null;
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try {
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if ("GET".equals(method)) {
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HttpGet get = new HttpGet(url);
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get.addHeader("Accept", "application/json");
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for(String key : headers.keySet()) {
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get.setHeader(key, headers.get(key));
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}
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response = client.execute(get);
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}
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else if ("POST".equals(method)) {
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HttpPost post = new HttpPost(url);
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if (formParamStr != null) {
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post.setHeader("Content-Type", contentType);
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post.setEntity(new StringEntity(formParamStr, "UTF-8"));
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} else if (body != null) {
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if (body instanceof HttpEntity) {
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// this is for file uploading
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post.setEntity((HttpEntity) body);
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} else {
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post.setHeader("Content-Type", contentType);
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post.setEntity(new StringEntity(serialize(body), "UTF-8"));
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}
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}
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for(String key : headers.keySet()) {
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post.setHeader(key, headers.get(key));
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}
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response = client.execute(post);
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}
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else if ("PUT".equals(method)) {
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HttpPut put = new HttpPut(url);
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if (formParamStr != null) {
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put.setHeader("Content-Type", contentType);
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put.setEntity(new StringEntity(formParamStr, "UTF-8"));
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} else if (body != null) {
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put.setHeader("Content-Type", contentType);
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put.setEntity(new StringEntity(serialize(body), "UTF-8"));
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}
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for(String key : headers.keySet()) {
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put.setHeader(key, headers.get(key));
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}
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response = client.execute(put);
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}
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else if ("DELETE".equals(method)) {
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HttpDelete delete = new HttpDelete(url);
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for(String key : headers.keySet()) {
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delete.setHeader(key, headers.get(key));
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}
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response = client.execute(delete);
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}
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else if ("PATCH".equals(method)) {
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HttpPatch patch = new HttpPatch(url);
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if (formParamStr != null) {
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patch.setHeader("Content-Type", contentType);
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patch.setEntity(new StringEntity(formParamStr, "UTF-8"));
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} else if (body != null) {
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patch.setHeader("Content-Type", contentType);
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patch.setEntity(new StringEntity(serialize(body), "UTF-8"));
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}
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for(String key : headers.keySet()) {
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patch.setHeader(key, headers.get(key));
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}
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response = client.execute(patch);
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}
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int code = response.getStatusLine().getStatusCode();
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String responseString = null;
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if(code == 204) {
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responseString = "";
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return responseString;
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}
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else if(code >= 200 && code < 300) {
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if(response.getEntity() != null) {
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HttpEntity resEntity = response.getEntity();
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responseString = EntityUtils.toString(resEntity);
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}
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return responseString;
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}
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else {
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if(response.getEntity() != null) {
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HttpEntity resEntity = response.getEntity();
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responseString = EntityUtils.toString(resEntity);
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}
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else
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responseString = "no data";
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}
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throw new ApiException(code, responseString);
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}
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catch(IOException e) {
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throw new ApiException(500, e.getMessage());
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}
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}
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private HttpClient getClient(String host) {
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if (client == null) {
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if (ignoreSSLCertificates && ignoreSSLConnectionManager != null) {
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// Trust self signed certificates
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client = new DefaultHttpClient(ignoreSSLConnectionManager, new BasicHttpParams());
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} else {
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client = new DefaultHttpClient();
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}
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}
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return client;
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}
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private void initConnectionManager() {
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try {
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final SSLContext sslContext = SSLContext.getInstance("SSL");
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// set up a TrustManager that trusts everything
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TrustManager[] trustManagers = new TrustManager[] {
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new X509TrustManager() {
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public X509Certificate[] getAcceptedIssuers() {
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return null;
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}
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public void checkClientTrusted(X509Certificate[] certs, String authType) {}
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public void checkServerTrusted(X509Certificate[] certs, String authType) {}
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}};
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sslContext.init(null, trustManagers, new SecureRandom());
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SSLSocketFactory sf = new SSLSocketFactory((KeyStore)null) {
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private javax.net.ssl.SSLSocketFactory sslFactory = sslContext.getSocketFactory();
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public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
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throws IOException, UnknownHostException {
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return sslFactory.createSocket(socket, host, port, autoClose);
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}
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public Socket createSocket() throws IOException {
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return sslFactory.createSocket();
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}
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};
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sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
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Scheme httpsScheme = new Scheme("https", sf, 443);
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SchemeRegistry schemeRegistry = new SchemeRegistry();
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schemeRegistry.register(httpsScheme);
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schemeRegistry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
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ignoreSSLConnectionManager = new ThreadSafeClientConnManager(new BasicHttpParams(), schemeRegistry);
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} catch (NoSuchAlgorithmException e) {
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// This will only be thrown if SSL isn't available for some reason.
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} catch (KeyManagementException e) {
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// This might be thrown when passing a key into init(), but no key is being passed.
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} catch (GeneralSecurityException e) {
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// This catches anything else that might go wrong.
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// If anything goes wrong we default to the standard connection manager.
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}
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}
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}
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