Examples with StreamProvider com.github.davidmoten.odata.client.StreamProvider used on opensource projects

Example 1 with StreamProvider

use of com.github.davidmoten.odata.client.StreamProvider in project odata-client by davidmoten.

the class Generator method writeEntityRequest.

private void writeEntityRequest(Schema schema, TEntityType entityType, Map<String, List<Action>> typeActions, Map<String, List<Function>> typeFunctions) {
    EntityType t = new EntityType(entityType, names);
    names.getDirectoryEntityRequest(schema).mkdirs();
    // TODO only write out those requests needed
    String simpleClassName = t.getSimpleClassNameEntityRequest();
    Imports imports = new Imports(t.getFullClassNameEntityRequest());
    Indent indent = new Indent();
    StringWriter w = new StringWriter();
    try (PrintWriter p = new PrintWriter(w)) {
        p.format("package %s;\n\n", t.getPackageEntityRequest());
        p.format(IMPORTSHERE);
        p.format("@%s\n", imports.add(JsonIgnoreType.class));
        // don't make class final because can get extended by EntitySet
        p.format("public class %s extends %s {\n\n", simpleClassName, imports.add(EntityRequest.class) + "<" + imports.add(t.getFullClassNameEntity()) + ">");
        indent.right();
        // add constructor
        // 
        p.format(// 
        "%spublic %s(%s contextPath, %s<%s> value) {\n", // 
        indent, // 
        simpleClassName, // 
        imports.add(ContextPath.class), imports.add(Optional.class), imports.add(Object.class));
        // 
        p.format(// 
        "%ssuper(%s.class, contextPath, value, %s);\n", // 
        indent.right(), // 
        imports.add(t.getFullClassNameEntity()), t.isMediaEntityOrHasStreamProperty());
        p.format("%s}\n", indent.left());
        indent.left();
        if (t.hasStream()) {
            p.format("\n%s/**\n", indent);
            p.format("%s * If returning a stream without using object metadata is not supported then", indent);
            p.format("%s * returns {@code Optional.empty()}. Otherwise, returns a stream provider\n", indent);
            p.format("%s * where the location of the stream is assumed to be the current path + {@code /$value}.\n", indent);
            p.format("%s *\n", indent);
            p.format("%s * @return StreamProvider if suitable metadata found otherwise returns\n", indent);
            p.format("%s *         {@code Optional.empty()}\n", indent);
            p.format("%s */\n", indent);
            p.format("%s@%s\n", indent, imports.add(JsonIgnore.class));
            p.format("%spublic %s<%s> getStreamCurrentPath() {\n", indent, imports.add(Optional.class), imports.add(StreamProvider.class));
            p.format("%sreturn %s.createStream(contextPath, null);\n", indent.right(), imports.add(RequestHelper.class));
            p.format("%s}\n", indent.left());
        }
        // TODO also support navigation properties with complexTypes?
        // 
        t.getNavigationProperties().stream().filter(x -> {
            boolean isEntity = names.isEntityWithNamespace(names.getInnerType(names.getType(x)));
            if (!isEntity) {
                log("Unexpected entity with non-entity navigation property type: " + simpleClassName + "." + x.getName() + ". If you get this message then raise an issue on the github project for odata-client.");
            }
            return isEntity;
        }).forEach(x -> {
            indent.right();
            final String returnClass;
            String y = x.getType().get(0);
            Schema sch = names.getSchema(names.getInnerType(y));
            if (Names.isCollection(y)) {
                returnClass = toClassName(x, imports);
            } else {
                returnClass = imports.add(names.getFullClassNameEntityRequestFromTypeWithNamespace(sch, y));
            }
            // if collection then add with id method (if has ids)
            if (Names.isCollection(y)) {
                // TODO use actual key name from metadata
                String inner = names.getInnerType(y);
                // TODO remove redundant check
                if (names.isEntityWithNamespace(inner)) {
                    String entityRequestType = names.getFullClassNameEntityRequestFromTypeWithNamespace(sch, inner);
                    EntityType et = names.getEntityType(inner);
                    KeyInfo k = getKeyInfo(et, imports);
                    if (!k.isEmpty()) {
                        p.format("\n%spublic %s %s(%s) {\n", indent, imports.add(entityRequestType), Names.getIdentifier(x.getName()), k.typedParams);
                        p.format("%sreturn new %s(contextPath.addSegment(\"%s\")%s, %s.empty());\n", indent.right(), imports.add(entityRequestType), x.getName(), k.addKeys, imports.add(Optional.class));
                        p.format("%s}\n", indent.left());
                    }
                }
            }
            // 
            p.format(// 
            "\n%spublic %s %s() {\n", // 
            indent, // 
            returnClass, Names.getGetterMethodWithoutGet(x.getName()));
            if (isCollection(x)) {
                p.format("%sreturn new %s(\n", indent.right(), toClassName(x, imports));
                p.format("%scontextPath.addSegment(\"%s\"), %s.empty());\n", indent.right().right().right().right(), x.getName(), imports.add(Optional.class));
                indent.left().left().left().left();
            } else {
                p.format("%sreturn new %s(contextPath.addSegment(\"%s\"), %s.empty());\n", indent.right(), returnClass, x.getName(), imports.add(Optional.class));
            }
            p.format("%s}\n", indent.left());
            indent.left();
        });
        indent.right();
        Set<String> methodNames = new HashSet<>();
        writeBoundActionMethods(t, typeActions, imports, indent, p, methodNames);
        writeBoundFunctionMethods(t, typeFunctions, imports, indent, p, methodNames);
        indent.left();
        p.format("\n}\n");
        writeToFile(imports, w, t.getClassFileEntityRequest());
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

Example 2 with StreamProvider

use of com.github.davidmoten.odata.client.StreamProvider in project odata-client by davidmoten.

the class Generator method writeEntity.

private void writeEntity(TEntityType entityType, Map<String, List<Action>> typeActions, Map<String, List<Function>> typeFunctions) {
    EntityType t = new EntityType(entityType, names);
    t.getDirectoryEntity().mkdirs();
    String simpleClassName = t.getSimpleClassName();
    Imports imports = new Imports(t.getFullClassNameEntity());
    Indent indent = new Indent();
    StringWriter w = new StringWriter();
    try (PrintWriter p = new PrintWriter(w)) {
        p.format("package %s;\n\n", t.getPackage());
        p.format(IMPORTSHERE);
        t.printJavadoc(p, indent);
        printPropertyOrder(imports, p, t.getProperties());
        printJsonIncludesNonNull(indent, imports, p);
        p.format("public class %s%s implements %s {\n", simpleClassName, t.getExtendsClause(imports), imports.add(ODataEntityType.class));
        indent.right();
        if (!t.hasBaseType()) {
            addContextPathInjectableField(imports, indent, p);
            addUnmappedFieldsField(imports, indent, p);
            addChangedFieldsField(imports, indent, p);
        }
        p.format("\n%s@%s\n", indent, imports.add(Override.class));
        p.format("%spublic String odataTypeName() {\n", indent);
        p.format("%sreturn \"%s\";\n", indent.right(), t.getFullType());
        p.format("%s}\n", indent.left());
        // add other fields
        printPropertyFields(imports, indent, p, t.getProperties(), t.hasBaseType());
        // write constructor
        writeNoArgsConstructor(simpleClassName, indent, p, t.hasBaseType());
        writeBuilder(t, simpleClassName, imports, indent, p);
        p.format("\n%s@%s\n", indent, imports.add(Override.class));
        p.format("%s@%s\n", indent, imports.add(JsonIgnore.class));
        p.format("%spublic %s getChangedFields() {\n", indent, imports.add(ChangedFields.class));
        p.format("%sreturn changedFields;\n", indent.right());
        p.format("%s}\n", indent.left());
        String nullCheck = // 
        fieldNames(t).stream().map(// 
        f -> f + " != null").collect(Collectors.joining(" && "));
        if (!nullCheck.isEmpty()) {
            nullCheck = " && " + nullCheck;
        }
        p.format("\n%s@%s\n", indent, imports.add(Override.class));
        p.format("%spublic void postInject(boolean addKeysToContextPath) {\n", indent);
        p.format("%sif (addKeysToContextPath%s) {\n", indent.right(), nullCheck);
        p.format("%scontextPath = contextPath.clearQueries()%s;\n", indent.right(), getAddKeys(t, imports));
        p.format("%s}\n", indent.left());
        p.format("%s}\n", indent.left());
        Set<String> methodNames = new HashSet<>();
        // write property getter and setters
        printPropertyGetterAndSetters(t, imports, indent, p, simpleClassName, t.getFullType(), t.getProperties(), true, methodNames);
        addInheritedPropertyNames(t, methodNames);
        printNavigationPropertyGetters(t, imports, indent, p, t.getNavigationProperties(), methodNames);
        addUnmappedFieldsSetterAndGetter(imports, indent, p, methodNames);
        if (t.hasStream()) {
            p.format("\n%s/**\n", indent);
            p.format("%s * If suitable metadata found a StreamProvider is returned otherwise returns\n", indent);
            p.format("%s * {@code Optional.empty()}. Normally for a stream to be available this entity\n", indent);
            p.format("%s * needs to have been hydrated with full metadata. Consider calling the builder\n", indent);
            p.format("%s * method {@code .metadataFull()} when getting this instance (either directly or\n", indent);
            p.format("%s * as part of a collection).\n", indent);
            p.format("%s *\n", indent);
            p.format("%s * @return StreamProvider if suitable metadata found otherwise returns\n", indent);
            p.format("%s *         {@code Optional.empty()}\n", indent);
            p.format("%s */\n", indent);
            p.format("%s@%s\n", indent, imports.add(JsonIgnore.class));
            p.format("%spublic %s<%s> getStream() {\n", indent, imports.add(Optional.class), imports.add(StreamProvider.class));
            p.format("%sreturn %s.createStream(contextPath, this);\n", indent.right(), imports.add(RequestHelper.class));
            p.format("%s}\n", indent.left());
        }
        // write Patched class
        writePatchAndPutMethods(t, simpleClassName, imports, indent, p);
        writeCopyMethod(t, simpleClassName, imports, indent, p, true);
        writeBoundActionMethods(t, typeActions, imports, indent, p, methodNames);
        writeBoundFunctionMethods(t, typeFunctions, imports, indent, p, methodNames);
        // write toString
        writeToString(t, simpleClassName, imports, indent, p);
        p.format("%s}\n", indent.left());
        writeToFile(imports, w, t.getClassFile());
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

Example 3 with StreamProvider

use of com.github.davidmoten.odata.client.StreamProvider in project odata-client by davidmoten.

the class Test5ServiceTest method testStreamGet.

@Test
public void testStreamGet() throws IOException {
    Test5Service client = // 
    Test5Service.test().expectRequest(// 
    "/Products/2").withResponse(// 
    "/response-get-stream.json").withRequestHeaders(RequestHeader.ACCEPT_JSON_METADATA_FULL, // 
    RequestHeader.ODATA_VERSION).expectRequest(// 
    "/Photos(123)/%24value").withResponse(// 
    "/response-get-stream.txt").build();
    StreamProvider stream = client.products(2).metadataFull().get().getStream().get();
    assertEquals("image/jpeg", stream.contentType());
    try (InputStream is = stream.get()) {
        byte[] bytes = getBytes(is);
        assertEquals("some bytes", new String(bytes));
    }
}

Example 4 with StreamProvider

use of com.github.davidmoten.odata.client.StreamProvider in project odata-client by davidmoten.

the class Test8ServiceTest method testGetStreamPropertyWhenMetadataPresent.

@Test
public void testGetStreamPropertyWhenMetadataPresent() {
    Test8Service client = // 
    Test8Service.test().expectRequest(// 
    "/Things/123").withMethod(// 
    HttpMethod.GET).withResponseStatusCode(// 
    200).withRequestHeaders(// 
    RequestHeader.ACCEPT_JSON_METADATA_FULL, // 
    RequestHeader.ODATA_VERSION).withResponse(// 
    "/response-thing-full-metadata.json").build();
    // note that odata-client fetches full metadata by default for Media Entities
    // or Entities with stream properties
    Optional<StreamProvider> photo = client.things(123).get().getPhoto();
    assertTrue(photo.isPresent());
    try {
        // not pretty to use a try-catch but oh well
        photo.get().getBytes();
        Assert.fail();
    } catch (Throwable t) {
        assertTrue(t.getMessage().contains("response not found for url=https://thephoto,"));
    }
}

Example 5 with StreamProvider

use of com.github.davidmoten.odata.client.StreamProvider in project odata-client by davidmoten.

the class Test8ServiceTest method testGetStreamPropertyWhenBase64Present.

@Test
public void testGetStreamPropertyWhenBase64Present() {
    Test8Service client = // 
    Test8Service.test().expectRequest(// 
    "/Things/123").withMethod(// 
    HttpMethod.GET).withResponseStatusCode(// 
    200).withRequestHeadersStandard().withResponse(// 
    "/response-thing-inline-photo.json").build();
    Optional<StreamProvider> photo = client.things(123).metadataMinimal().get().getPhoto();
    assertTrue(photo.isPresent());
    assertEquals("hello", photo.get().getStringUtf8());
}