org.apache.nutch.parse.Outlink.java Source code

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Here is the source code for org.apache.nutch.parse.Outlink.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.nutch.parse;

import java.io.*;
import java.net.MalformedURLException;

import org.apache.hadoop.io.*;

/* An outgoing link from a page. */
public class Outlink implements Writable {

    private String toUrl;
    private String anchor;

    public Outlink() {
    }

    public Outlink(String toUrl, String anchor) throws MalformedURLException {
        this.toUrl = toUrl;
        if (anchor == null)
            anchor = "";
        this.anchor = anchor;
    }

    public void readFields(DataInput in) throws IOException {
        toUrl = Text.readString(in);
        anchor = Text.readString(in);
    }

    /** Skips over one Outlink in the input. */
    public static void skip(DataInput in) throws IOException {
        Text.skip(in); // skip toUrl
        Text.skip(in); // skip anchor
    }

    public void write(DataOutput out) throws IOException {
        Text.writeString(out, toUrl);
        Text.writeString(out, anchor);
    }

    public static Outlink read(DataInput in) throws IOException {
        Outlink outlink = new Outlink();
        outlink.readFields(in);
        return outlink;
    }

    public String getToUrl() {
        return toUrl;
    }

    public String getAnchor() {
        return anchor;
    }

    public boolean equals(Object o) {
        if (!(o instanceof Outlink))
            return false;
        Outlink other = (Outlink) o;
        return this.toUrl.equals(other.toUrl) && this.anchor.equals(other.anchor);
    }

    public String toString() {
        return "toUrl: " + toUrl + " anchor: " + anchor; // removed "\n". toString,
                                                         // not printLine... WD.
    }

}