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| 1 | +/*- |
| 2 | + * #%L |
| 3 | + * Standard fiji:// URL handlers. |
| 4 | + * %% |
| 5 | + * Copyright (C) 2023 - 2025 Fiji developers. |
| 6 | + * %% |
| 7 | + * Redistribution and use in source and binary forms, with or without |
| 8 | + * modification, are permitted provided that the following conditions are met: |
| 9 | + * |
| 10 | + * 1. Redistributions of source code must retain the above copyright notice, |
| 11 | + * this list of conditions and the following disclaimer. |
| 12 | + * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 13 | + * this list of conditions and the following disclaimer in the documentation |
| 14 | + * and/or other materials provided with the distribution. |
| 15 | + * |
| 16 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 17 | + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE |
| 20 | + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | + * POSSIBILITY OF SUCH DAMAGE. |
| 27 | + * #L% |
| 28 | + */ |
| 29 | + |
| 30 | +package sc.fiji.links; |
| 31 | + |
| 32 | +import org.scijava.links.AbstractLinkHandler; |
| 33 | +import org.scijava.links.LinkHandler; |
| 34 | +import org.scijava.links.Links; |
| 35 | +import org.scijava.log.LogService; |
| 36 | +import org.scijava.plugin.Parameter; |
| 37 | +import org.scijava.plugin.Plugin; |
| 38 | +import org.scijava.ui.UIService; |
| 39 | + |
| 40 | +import java.net.URI; |
| 41 | + |
| 42 | +/** Handles {@code fiji://hello} links. */ |
| 43 | +@Plugin(type = LinkHandler.class) |
| 44 | +public class HelloLinkHandler extends AbstractLinkHandler { |
| 45 | + |
| 46 | + @Parameter(required = false) |
| 47 | + private LogService log; |
| 48 | + |
| 49 | + @Parameter(required = false) |
| 50 | + private UIService ui; |
| 51 | + |
| 52 | + @Override |
| 53 | + public boolean supports(final URI uri) { |
| 54 | + return "fiji".equals(uri.getScheme()) && |
| 55 | + uri.getHost().equals("hello"); |
| 56 | + } |
| 57 | + |
| 58 | + @Override |
| 59 | + public void handle(final URI uri) { |
| 60 | + if (!supports(uri)) throw new UnsupportedOperationException("" + uri); |
| 61 | + |
| 62 | + var operation = Links.operation(uri); |
| 63 | + var query = Links.query(uri); |
| 64 | + var greeting = query.getOrDefault("greeting", "Hello!"); |
| 65 | + |
| 66 | + if ("print".equals(operation)) { |
| 67 | + System.out.println(greeting); |
| 68 | + } |
| 69 | + else if ("log".equals(operation)) { |
| 70 | + if (log != null) log.info(greeting); |
| 71 | + } |
| 72 | + else if ("dialog".equals(operation)) { |
| 73 | + if (ui != null) ui.showDialog(greeting); |
| 74 | + } |
| 75 | + else { |
| 76 | + throw new UnsupportedOperationException( |
| 77 | + "Unknown hello operation: " + operation); |
| 78 | + } |
| 79 | + } |
| 80 | +} |
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