de.jlo.talendcomp.tac.TACConnection.java Source code

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Here is the source code for de.jlo.talendcomp.tac.TACConnection.java

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/**
 * Copyright 2015 Jan Lolling jan.lolling@gmail.com
 * 
 * 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 de.jlo.talendcomp.tac;

import java.io.IOException;

import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

public class TACConnection {

    private CloseableHttpClient client = null;
    private String url;
    private String user;
    private String password;
    private static final String PATH = "metaServlet";
    private int maxAttempts = 1;
    private int repeatWaitTime = 100;

    public TACConnection(String url) {
        setUrl(url);
        init();
    }

    public void init() {
        client = HttpClients.custom().build();
    }

    public String getUrl() {
        return url;
    }

    private void setUrl(String url) {
        if (url == null || url.isEmpty()) {
            throw new IllegalArgumentException("url cannot be null or empty");
        }
        if (url.contains("metaServlet") == false) {
            this.url = url + "/" + PATH;
        } else {
            this.url = url;
        }
    }

    public String getUser() {
        return user;
    }

    public void setUser(String user) {
        if (user == null || user.isEmpty()) {
            throw new IllegalArgumentException("user cannot be null or empty");
        }
        this.user = user;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        if (password == null || password.isEmpty()) {
            throw new IllegalArgumentException("password cannot be null or empty");
        }
        this.password = password;
    }

    public String execute(String uri) throws Exception {
        HttpGet get = new HttpGet(uri);
        ResponseHandler<String> handler = new BasicResponseHandler();
        return client.execute(get, handler);
    }

    public void close() {
        try {
            client.close();
        } catch (IOException e) {
        }
    }

    public int getMaxAttempts() {
        return maxAttempts;
    }

    public int getRepeatWaitTime() {
        return repeatWaitTime;
    }

    public void setMaxRepeats(Integer repeatMax) {
        if (repeatMax != null && repeatMax >= 0) {
            this.maxAttempts = repeatMax + 1;
        } else {
            this.maxAttempts = 1;
        }
    }

    public void setRepeatWaitTime(Integer repeatWaitTime) {
        if (repeatWaitTime != null && repeatWaitTime > 0) {
            this.repeatWaitTime = repeatWaitTime;
        }
    }

}